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The aim of this study is to know and understand holistically the things that Jesus taught about perfect character in Matthew 5:48, so that with this understanding, all workers or servants of God and the congregation of GSKI Medan City can learn and live what Jesus taught related to perfect character. The research method used in this study is a Qualitative method with a phenomenological approach. The data sources used in this study are semi-structured interview guides and field notes. The data analysis technique used in this study involves several steps, namely bracketing, horizontalization, phenomenological reduction, and synthesis of essential meaning. The results of the study show that: The congregation and servants of God GSKI in Medan City understand the teachings of Matthew 5:48 as a call to perfection exemplified by the Father in heaven; The congregation and servants of God GSKI in Medan City identified several key attributes in achieving perfect character which include high moral quality, holiness, commitment to following God's will, and growth in faith through deepening the Word and fellowship; The congregation GSKI in Medan City faces several major challenges in building perfect character according to the teachings of Matthew 5:48, such as limitations in understanding the teachings of the Bible and incomplete doctrines, worldly influences and attachment to worldly pleasures, and the lack of consistent role models from church leaders; An effective teaching model for building perfect character based on Matthew 5:48 in the context of the congregation GSKI in Medan City consists of: a structured teaching approach, practical and contextual application, as well as role models and leadership

Employee loyalty is an important aspect in maintaining organizational sustainability, because high loyalty will have an impact on improving the company's performance and success in the long term. Factors such as job characteristics, work flexibility, and work motivation are thought to have an important role in influencing employee loyalty, especially in government agencies that demand high dedication. Therefore, this study was conducted to analyze the influence of job characteristics, work flexibility, and work motivation on employee loyalty at the Directorate General of Minerals and Mineral Resources of the Republic of Indonesia. This study used a quantitative approach with data collection techniques through questionnaires. The sampling technique used was non-probability sampling with a sample size of 90 respondents. Data analysis was carried out using multiple linear regression with the help of SPSS version 26 software, and supplemented with descriptive analysis of the primary data obtained. The results showed that the regression equation obtained was Y = 8.219 + 0.464X1 + 0.110X2 + 0.429X3. This equation indicates that job characteristics, work flexibility, and work motivation have a significant effect on employee loyalty. Partially, work flexibility is proven to have a positive and significant effect on employee loyalty. Similarly, work motivation also has a positive and significant partial effect on loyalty. This confirms that better job characteristics, greater flexibility, and stronger motivation mean higher levels of employee loyalty. This research implies that organizations need to consider job design, work system flexibility, and motivation-boosting strategies to build sustainable employee loyalty.

Employee performance is a crucial factor in supporting a company's success, particularly in the tourism sector, which demands optimal human resource quality. Factors such as work motivation, work environment, and work discipline are believed to significantly influence employee performance. However, the extent to which these three factors contribute to improved employee performance in tourism companies still requires empirical research. This study aims to determine the partial effect of work motivation, work environment, and work discipline on employee performance at PT. Wisata Titiannusantara Pelangi. The study population comprised all 40 employees, with the sampling technique using the saturation method (sampling the entire population). Data analysis was performed using multiple linear regression processed using SPSS version 22. The results show that work motivation has a positive and significant effect on employee performance, meaning that the higher an employee's motivation, the better their performance. The work environment also proved to have a positive and significant effect on performance, indicating that a comfortable and supportive work environment can improve employee performance. Furthermore, work discipline has a positive and significant effect on employee performance, indicating that discipline in carrying out tasks contributes significantly to achieving optimal work results. Overall, this study confirms that motivation, work environment, and work discipline are important factors that must be considered by management in efforts to improve employee performance, especially in companies operating in the tourism sector.

This research aims to determine the influence of organizational culture and career development on employee performance at PT Sinergi Aitikom, South Jakarta City, both partially and simultaneously. This study uses quantitative methods. The population is all 81 employees. Sampling uses saturated sampling techniques. The analysis methods used are validity testing, reliability testing, classical assumption testing, multiple regression analysis, correlation coefficient analysis (r), determination coefficient analysis and hypothesis testing t-test, f-test. The results show that organizational culture (t-value 7.597> t-table 1.990; sig. 0.000 <0.05), this means that organizational culture partially influences employee performance. Career development (t-value 8.932> t-table 1.990; sig. 0.000 <0.05), this means that career development partially influences employee performance. The f test shows the calculated f value (244.849 > f table 3.11; sig. 0.000 < 0.05), simultaneously organizational culture and career development influence employee performance. The coefficient of determination is 0.859, meaning that 85.9% of the influence between organizational culture and career development simultaneously on employee performance is 85.9%. While the remaining (100-85.9% = 14.1%) is influenced by other variables not studied.

Micro, Small, and Medium Enterprises (MSMEs) are an essential pillar of the Indonesian economy, contributing significantly to employment creation, poverty reduction, and income distribution. However, despite their substantial role, MSMEs continue to face a number of persistent challenges, including limited access to capital, low levels of financial literacy, and inadequate utilization of technology. These barriers hinder their ability to grow, compete, and adapt to rapid economic changes. This study aims to explore and analyze the role of Islamic Financial Institutions (IFIs) in empowering MSMEs within the framework of Sharia principles. Employing a descriptive qualitative approach, this research is based on a comprehensive literature review of scholarly articles, official reports, and other relevant academic sources. The findings reveal that IFIs provide both financial and social contributions to MSMEs. Financially, IFIs channel funds through Sharia-compliant contracts such as mudharabah and murabahah, which allow entrepreneurs to access financing without relying on conventional interest-based systems. Socially, IFIs carry out a redistributive role by managing and disbursing zakat, infaq, sadaqah, and waqf (ZISWAF), while also offering entrepreneurship training, mentoring, and technical assistance. These functions collectively enhance MSMEs’ access to capital, strengthen their managerial and operational capacities, and increase competitiveness in both domestic and global markets. Nevertheless, several challenges remain, including the uneven geographical distribution of IFI services, slow adoption of digital technology, and the need for more supportive regulatory frameworks. Strengthening IFIs’ role through policy integration, technological innovation, and collaboration with government and private sectors is essential for maximizing their impact on MSME empowerment. Thus, IFIs not only act as financial intermediaries but also as socio-economic catalysts that support sustainable and inclusive economic development in Indonesia.

This study focuses on examining the relationship between tax planning, deferred tax assets, and deferred tax liabilities on earnings management. The research method used is quantitative with a descriptive approach. The population of the study consists of manufacturing companies in the food and beverage subsector listed on the Indonesia Stock Exchange during the period 2022–2023. The sample comprises 47 company financial statements obtained through purposive sampling, with secondary data as the main source. Data analysis was conducted using multiple linear regression to determine the relationship between the variables under study: tax planning, deferred tax assets, deferred tax liabilities, and earnings management. The results indicate that tax planning and deferred tax liabilities significantly affect earnings management. This suggests that companies can use tax planning strategies to influence reported earnings and manage deferred tax liabilities to achieve desired managerial objectives, such as optimizing tax payments or adjusting earnings levels. However, deferred tax assets do not show a significant impact on earnings management, which may be due to other factors not observed in this study, such as internal company policies or different approaches to managing tax assets. Simultaneously, the findings confirm that all three variables have an impact on earnings management, contributing 10.3%. The remaining 89.7% of the impact comes from other factors not covered in the scope of this research, such as macroeconomic factors, government policies, or even the varying accounting practices of different companies. These findings provide valuable insights into how tax management influences earnings management and open opportunities for further research to better understand other variables that may affect corporate earnings management practices.

The emergence of various commonwealths, alliances, and other forms of inter-state organizations has significantly influenced the course of existing international cooperation. Cooperation between countries serves not only as a platform for strengthening political and social relations but also as a key element in meeting domestic needs that cannot be met independently through a country's self-help programs. Therefore, international cooperation is an aspect that is continuously maintained and strengthened by countries worldwide. Historically, cooperative relations between countries have generally developed as a result of the increasing ties that have existed over time. This dynamic involves various sectors, including economics, trade, and investment, further demonstrating the crucial role of international relations in a country's progress. Countries involved in this cooperation benefit each other, both in meeting domestic needs and in increasing their economic capacity through innovation and collaboration. The data sources for this study were obtained from documents obtained through internet media, which were then processed and analyzed to gain a deeper understanding of the impact of international cooperation. This study uses a quantitative approach, focusing on the analysis of investment flows into the country. Increased investment flows will drive higher growth in goods production, which in turn will strengthen trade activities, including exports to destination countries such as China. Furthermore, increased investment also contributes to the growth of Gross Domestic Product (GDP) in developing countries. This GDP increase will positively impact Indonesia's trade balance, particularly with China, one of its major trading partners in the Asian region.

This study aims to analyze the development of the creative economy through the utilization of textile waste, particularly patchwork fabric, by leveraging digital platforms. Employing a qualitative approach with a case study method, the research involved creative entrepreneurs who transform patchwork waste into economically valuable products, such as bags, wallets, accessories, and home decorations. Data were collected using in-depth interviews, participatory observation, and document studies, and then analyzed thematically. The findings reveal that patchwork fabric waste can be successfully converted into high-value creative products through innovative designs and diversification strategies. Furthermore, the adoption of digital platforms, including social media and online marketplaces, plays a pivotal role in product promotion, enhancing brand awareness, and expanding market reach beyond local boundaries. This integration not only provides economic benefits, such as increased income for entrepreneurs and the creation of new job opportunities, but also fosters social and environmental impacts, including raising community awareness of sustainable waste management practices. The study emphasizes that the creative transformation of textile waste contributes to circular economy principles, supporting resource efficiency and reducing environmental burden. In conclusion, the integration of creativity, innovation, and digital technology utilization emerges as a sustainable strategy for developing a creative economy based on waste materials. These findings provide insights for entrepreneurs, policymakers, and communities in promoting environmentally friendly business models while simultaneously driving inclusive economic growth.

Tourism is one of the most important economic sectors in the world, contributing significantly to state revenue and improving people's welfare. The tourism industry has grown rapidly in recent decades, with the number of international tourists continuing to increase. The general objective of this study is to develop a deeper knowledge and understanding of the impact of uncontrolled tourism on the sacredness of Bali's nature and culture, as well as strategies for developing sustainable tourism in Bali. The type of research used by the author in examining the problems in this study is normative juridical research. The conclusion of this study is a legal review of the protection of natural and cultural heritage in Bali Province is regulated in several laws and regulations such as Law No. 5 of 1990 concerning the Conservation of Biological Natural Resources and Ecosystems. In addition, cultural protection in Bali has also been regulated in several laws and regulations such as Law No. 11 of 2010 concerning Cultural Heritage. This legal review will also discuss the implementation of laws and regulations related to the protection of natural and cultural heritage in Bali. The Bali provincial government's policy on the protection of natural and cultural heritage, namely the policy on the protection of natural heritage is regulated in the Governor's Regulation or Pergub No. These include Law No. 97 of 2018 concerning the Limitation of Single-Use Plastic Waste, Governor Regulation No. 45 of 2019 concerning Bali Clean Energy, Governor Regulation No. 48 of 2019 concerning the Use of Battery-Based Electric Motorized Vehicles, and Governor Regulation No. 8 of 2019 concerning Organic Farming Systems. Cultural heritage protection policies are regulated by Law No. 10 of 2010 concerning Tourism, Regional Regulation No. 2 of 2023 concerning the Bali Provincial Spatial Plan (RTRWP), the Designation of Cultural Heritage Areas in Bali, such as Ulun Danu Batur Temple and Lake Batur, the Subak Cultural Landscape and Temples in the Pakerisan Watershed, and others.

Reservoir heterogeneity has long been recognized as a critical factor influencing the efficiency of enhanced oil recovery (EOR) methods. Among the techniques applied, cyclic waterflooding is considered one of the promising approaches due to its relatively simple operational design and potential to improve sweep efficiency. This method involves alternating water injection in specific cycles to mobilize trapped oil and redistribute reservoir pressure. However, the variation in geological properties such as porosity, permeability, and fluid saturation creates challenges in achieving uniform displacement, especially in reservoirs with high heterogeneity. Understanding the role of heterogeneity is therefore crucial for optimizing cyclic waterflooding applications. This study applies a literature review approach by synthesizing findings from previous experimental and field studies that evaluated cyclic waterflooding under different reservoir conditions. The analysis compares the performance of cyclic water injection periods across reservoirs characterized by varying levels of heterogeneity. Parameters such as injection rate, water breakthrough time, and oil recovery factor were considered in evaluating the effectiveness of this method. The results highlight that reservoirs with high heterogeneity often experience uneven fluid distribution, leading to early water breakthrough and reduced oil recovery. In contrast, reservoirs with relatively low heterogeneity tend to respond better to cyclic waterflooding, resulting in improved sweep efficiency and higher incremental recovery. Moreover, the optimization of cycle timing and water injection intervals appears to significantly mitigate the negative effects of heterogeneity. In conclusion, the study emphasizes that reservoir heterogeneity plays a decisive role in determining the success of cyclic waterflooding. Tailoring injection strategies based on geological variability is essential to maximize recovery efficiency. Future research should focus on integrating advanced reservoir characterization techniques with adaptive cyclic flooding models to further enhance oil production outcomes.

In manufacturing industries, machining processes play a critical role in ensuring product quality, precision, and production efficiency. However, in the production of swing arm parts, the machining process has been identified as a bottleneck due to its non-optimal cycle time. One of the main issues contributing to this inefficiency is the disorganized handling of circlip inner parts. These components are often scattered without a designated placement system, which creates significant difficulties for operators when retrieving and installing circlips onto the swing arm. Such abnormalities disrupt workflow continuity, extend production time, and reduce overall productivity. To address this challenge, a circlip feeder machine was designed as a supporting device to assist operators and streamline the machining process. The design emphasizes efficiency, integration, and systematic operation by utilizing readily available workshop materials. The developed feeder machine is equipped with a robust frame construction and has a storage dimension capable of accommodating up to 200 circlips. In addition, mechanical analysis demonstrates that the feeder structure can withstand a maximum applied force of 31,475 N, ensuring durability and reliability during operation. The introduction of this circlip feeder machine directly impacts the production process by reducing operator workload, minimizing delays caused by disorganized parts, and ensuring faster and more accurate installation of circlips. Consequently, the overall machining cycle time is shortened, thereby improving production flow and enhancing the efficiency of swing arm part manufacturing. Beyond immediate time savings, the use of the feeder machine contributes to better resource utilization, reduced ergonomic strain on operators, and improved consistency in product quality. This study highlights the significance of simple yet effective mechanical innovations in overcoming production bottlenecks and optimizing manufacturing processes in automotive component industries.

The development of automotive technology drives innovation in vehicle support components, including the continuously variable transmission (CVT) system, which plays a crucial role in transmitting engine torque and power to the wheels. One of the main elements in this system is the clutch lining and clutch housing, whose performance significantly impacts motorcycle performance. However, the standard pattern on these components is often not optimal in maximizing power delivery. Therefore, this study was conducted to analyze the effect of modifying the grooves of the clutch lining and clutch housing on engine torque in a 110 cc motorcycle. The research method used an experimental approach by varying the modification pattern on the clutch lining and clutch housing. The test motorcycle with a capacity of 110 cc was tested using a dyno test to measure torque and power at various engine speeds. Each modification variation was then compared with standard conditions to evaluate the resulting performance differences. The results showed that the pattern modifications on the clutch lining and clutch housing significantly increased torque. Several modification variations were able to significantly increase torque at medium to high speeds, thus providing better engine response and more efficient power delivery. Thus, this research contributes to the development of more optimal CVT component designs and has the potential to improve motorcycle performance, especially in the small capacity vehicle segment.  

Efficient management of patient queues is essential in healthcare systems to ensure timely care, optimize resource utilization, and enhance patient satisfaction. Mathematical programming, particularly when applied in conjunction with queuing theory and optimization models, provides a rigorous framework for analyzing and improving healthcare service delivery. This approach involves modeling arrivals and service processes, applying queuing models (such as single-server, multi-server, and priority queues), and formulating optimization objectives—often to minimize total costs, patient waiting times, or resource idling. Recent research demonstrates that combining queuing theory with mixed-integer programming and simulation techniques enables healthcare managers to allocate resources dynamically, set staffing levels, and assign priorities among different patient categories. For example, the use of mixed-integer programming can determine the optimal number of servers, beds, and service rates based on patient flow and priority needs, striking a balance between reducing waiting times for critical cases and controlling operational costs. These mathematical models also account for practical constraints and stochastic variability inherent in clinical settings. Applications span emergency departments, outpatient clinics, and even pharmacy and blood service centers—showing significant improvements in system efficiency, reduced patient wait times, and enhanced overall care quality. Thus, mathematical programming is a powerful decision-support tool for queue management, offering evidence-based strategies to address congestion and resource allocation challenges in complex healthcare environments.

Well water is still one of the main sources of daily water supply for the residents of the Candi Muaro Jambi area. The dependence on well water makes it vital for consumption, cooking, and other domestic activities. However, with the increasing human activity, the development of tourist areas, and environmental changes in the surrounding area, the quality of the well water is at risk of being affected. This study aims to evaluate the feasibility of well water from an environmental and health perspective based on physical, chemical, and biological parameters, referring to the clean water quality standards set by the Ministry of Health of the Republic of Indonesia. The research employs a descriptive quantitative method, with well water samples taken from several points around the residential areas in the Candi Muaro Jambi region. The analyzed parameters include temperature, color, odor, turbidity, pH, nitrate content, metal content (Fe and Mn), and the presence of coliform bacteria. Laboratory test results show that most of the well water samples still meet the established physical and chemical standards, but some wells were found to have coliform levels exceeding the recommended threshold. This condition indicates contamination, most likely from domestic waste, particularly from household sanitation systems that are not ideally located relative to the wells. While the well water in the study area is generally still suitable for daily use, it is recommended that the community performs simple water treatment, such as boiling or filtration, before direct consumption. These measures are crucial to reduce contamination risks and ensure the water's quality for safe consumption and health.

The Sea Picking Tradition is a cultural ritual of the coastal community in Jatirejo Village, Lekok District, Pasuruan Regency, which is held annually as a form of gratitude for marine products. Amidst the current of modernization, this tradition has an important meaning in preserving local wisdom and cultural heritage of coastal communities. This study aims to understand the symbolic meaning contained in the series of Sea Picking Tradition processions and examine its role as a form of local wisdom in maintaining community identity and solidarity. Cultural symbols displayed through offerings, decorated boats, traditional clothing, collective prayers, and other socio-cultural activities are seen as having deep meanings that represent the relationship between humans with nature, each other, and the Creator. The research method used is a qualitative approach with descriptive methods and symbolic interaction analysis. Data were obtained through observation, interviews, and documentation, then analyzed to uncover the hidden meanings in cultural symbols. The results show that the symbols in the Sea Picking Tradition form collective meanings that strengthen individual self-concept, social relations, and ecological awareness of coastal communities. This tradition serves as a means of strengthening social solidarity, solidifying local cultural identity, and preserving spiritual values ​​and local wisdom amidst the challenges of modernization. Thus, the Petik Laut tradition serves not only as a ritual of gratitude but also as a cultural heritage that must be preserved to maintain the social, cultural, and spiritual values ​​of coastal communities.

The widespread use of digital images, driven by low-cost, handheld acquisition devices, has increased the need for robust security measures to safeguard privacy. This demand is further underscored by rising identity theft and other image-related crimes. This study presents a chaos-based experimental evaluation of contemporary image encryption algorithms. Owing to intrinsic properties such as sensitivity to initial conditions and pseudo-randomness, chaos theory has become increasingly prominent in image encryption. Five chaos-based image encryption schemes were selected and applied to a dataset of 26 color images. The evaluation covers both encryption performance and cryptographic security. Decryption quality is measured using Mean Squared Error (MSE), Peak Signal-to-Noise Ratio (PSNR), Structural Similarity Index (SSIM), and DeepEns. Cryptographic security is assessed using entropy, correlation coefficient, Number of Pixel Change Rate (NPCR), Unified Average Changing Intensity (UACI), average and maximum deviation, and histogram analysis. Experimental results indicate that all evaluated schemes demonstrate strong cryptographic security and comparable encryption performance, with broadly similar effectiveness across methods.

This study aims to analyze the influence of intrinsic motivation, work atmosphere, and work environment on employee productivity and performance at Hotel Kridawisata Bandar Lampung. A total of 30 employees from the hotel were selected as the population for this study, using a saturated sampling approach to obtain a representative sample. Data was collected through questionnaires and analyzed using SPSS version 25.0 to examine the correlation and influence between independent variables (work motivation and work atmosphere) and employee performance. The analysis revealed a significant positive correlation between employee work motivation and their performance, with a regression coefficient of 0.389. This indicates that higher work motivation leads to better performance. Additionally, the work atmosphere had a positive and significant impact on employee performance, with a regression coefficient of 0.467. These findings suggest that a supportive and comfortable work atmosphere can significantly enhance employee performance. Based on the obtained R-square value of 0.493 or 49.3%, it can be concluded that work motivation and work atmosphere have an influence on employee performance at Hotel Kridawisata. In other words, approximately 49.3% of the variation in employee performance can be explained by these two factors, while the remaining 50.7% is influenced by other factors not covered in this study. This highlights the importance of both work motivation and the work environment in driving employee performance. Therefore, it is recommended that the management of Hotel Kridawisata continue to improve employee motivation and create a more conducive work atmosphere. This will not only enhance employee performance but also contribute to improving the quality of hotel services, which in turn can increase guest satisfaction and the hotel's operational success.

This study aims to gain an in-depth understanding of the implementation of bread product quality control in the Pastry Section of Harris Hotel & Conventions Bundaran Satelit Surabaya, covering four main aspects: raw materials, production process, storage, and presentation. Furthermore, this study focuses on understanding the Standard Operating Procedures (SOPs) for bread production operations and the level of implementation of these SOPs in daily work practices. The research method used is descriptive qualitative, with data collection techniques through direct field observation, interviews with pastry section staff, and documentation related to bread production activities. The results show that bread product quality control is carried out comprehensively. In the initial stage, raw material selection is carried out strictly to ensure quality, freshness, and food safety. The production process is carried out according to standard procedures, paying attention to equipment cleanliness, processing techniques, and timeliness, resulting in products that are consistent in taste and texture. The storage stage is also carried out hygienically with a system for arranging ingredients and finished products that pay attention to temperature, humidity, and cleanliness of the storage room. In the final stage, bread is served with good aesthetic standards while maintaining food safety aspects, thus adding value to the hotel guest experience. The bread production operational SOP has been systematically developed and serves as an important reference for all pastry section employees in carrying out their daily tasks. Employee compliance with the SOP is high, although challenges remain, such as limited trainee skills and delays in raw material supplies from suppliers. These challenges can usually be overcome through direct supervision, internal training, and good communication with material suppliers. Overall, the implementation of quality control and bread production SOPs at Harris Hotel & Conventions Bundaran Satelit Surabaya has been running smoothly and consistently.

The activity of strengthening Indonesian language education as a bullying prevention strategy at SDN 02 Simalanggang aims to raise students' awareness of the negative impacts of bullying and the importance of good communication in creating positive relationships, in line with the Sustainable Development Goals (SDGs), particularly SDG 4, which focuses on quality education. This program was carried out on June 20, 2025, involving 200 students and 15 teachers. The methods used include observation, socialization, effective communication training, and counseling for students involved in bullying cases. The results of the activity show a significant increase in students' understanding of bullying and the importance of speaking properly, as well as a 30% reduction in bullying incidents at school. Evaluation was carried out through direct observation, which showed positive changes in students' behavior, both as perpetrators and victims of bullying. This program also reinforces the concepts of effective communication and character education, which have proven to reduce bullying and create a safer and more inclusive learning environment. Based on these results, the activity provides great benefits for students' character development and creates a more supportive school atmosphere, contributing to the achievement of SDGs in quality education. The program involved a series of activities, such as observation to identify bullying incidents, socialization sessions to inform students about bullying and its consequences, and communication training to improve students' skills in handling conflicts constructively. Counseling was also provided to students who were either perpetrators or victims of bullying, helping them to understand the impact of their actions and how to manage emotions and behavior in a more positive manner. After the program, a noticeable shift in behavior was observed, particularly in the way students interacted with one another. A significant reduction in bullying incidents by 30% demonstrates the effectiveness of communication-based interventions.

The worsening ecological crisis, such as the floods that hit Parapat, demands a serious response from various elements of society, including religious institutions. This article highlights the role of the Church, particularly Huria Kristen Batak Protestan (HKBP), in caring for nature in Tanah Batak as a form of faith and social responsibility. Using theological and socio-cultural approaches, this study analyzes the contribution of HKBP teachings and Pope Francis' call in the encyclical Laudato Si' to the ecological awareness of the people. It emphasizes that the HKBP doctrine of the wholeness of creation and community-based ecological movements can be transformative solutions to environmental degradation. Through a case study of flooding in Parapat, this article demonstrates the urgency of church involvement in ecological advocacy and environmental education, and the importance of synergy between faith, Batak culture, and concrete action for the sustainability of God's creation. The HKBP's teachings on the wholeness of creation align closely with Pope Francis’ encyclical Laudato Si’, which calls for a radical shift in how humanity perceives and interacts with nature. By emphasizing the interconnectedness of all life, the HKBP doctrine encourages its followers to view environmental stewardship not only as a moral obligation but as an essential expression of faith. This view aligns with Pope Francis' call for an "ecological conversion," urging individuals and communities to recognize their role in caring for God's creation. Through the case study of flooding in Parapat, this article illustrates the real-world implications of ecological negligence and the importance of church involvement in ecological advocacy. The HKBP, along with other religious and community-based movements, can spearhead efforts to integrate environmental education into their teachings and local initiatives.