Community-based servant leadership development has emerged as a critical approach for Christian nonprofit organizations seeking to cultivate authentic leaders who embody Christ-centered values. This study explores the integration of theological foundations from Mark 10:45 with Robert K. Greenleaf's servant leadership theory to develop a comprehensive model for leader formation within Christian nonprofit contexts. Employing a qualitative methodology with a library research design, data were collected from scholarly literature and theological sources, then analyzed using Miles and Huberman's interactive model, which includes data reduction, data display, and conclusion drawing. The research reveals a significant alignment between the core message of Mark 10:45—“For even the Son of Man did not come to be served, but to serve”—and the key principles of Greenleaf’s servant leadership, particularly the emphasis on selfless service, empathy, listening, and community building. Community plays a vital role as both a laboratory and an incubator for spiritual and leadership formation, where individuals can internalize leadership values through biblical teaching, mentorship, active religious practices, and shared life experiences. The study proposes a five-stage model: Foundation Building, Community Immersion, Skill Development, Practical Application, and Leadership Multiplication. This model serves as a strategic guide for Christian organizations to intentionally nurture servant leaders. Findings highlight improvements in character formation, organizational effectiveness, and the embodiment of servant leadership traits such as humility, sacrifice, and empathy. The study concludes with practical recommendations for implementation, including structured mentoring systems, the formation of communities of practice, and ongoing evaluation mechanisms. Ultimately, this integrated model supports the mission of Christian nonprofits by shaping leaders who advance both spiritual and social transformation.

This paper discusses the Bolanafo of marriage in Nias society. The focus of discussion in this paper is how important Bolanafo is as a factor in the traditional marriage of the Nias tribe and how Christianity theologically views Bolanafo. To fulfill the research objectives, a number of literature studies were conducted by utilizing literature and conducting interviews related to Bolanafo in the Nias marriage system. All the literature data was processed and analyzed, as a research conducted by literature study, the results of this research are presented descriptively. The culture in Nias marriage is still very strong and is practiced until today. It must be realized that serving bolanafo in a Nias wedding is not something that is outdated or involves a complicated process. Doing so is an effort to maintain identity as Ono Niha wherever they are.

The concept of the Kingdom of God in Matthew's Gospel is a central theme of the Teaching of Jesus Christ. The Kingdom of God can be understood as the reign of God that has entered this age through the presence of Jesus and will be perfect at His second coming. This research aims to understand the concept of the Kingdom of God in the Gospel of Matthew and its implications for the lives of believers. This research method uses textual and historical analysis to understand the concept of the Kingdom of God in the Gospel of Matthew. The results of the study show that the Kingdom of God has some very special characteristics, such as a government that is sinless and not weak before God, full of the Holy Spirit, and has great power to do extraordinary things.Jesus taught the concept of God's Kingdom through compelling parables and demonstrated important aspects of God's Kingdom. This research also shows that the coming of God's Kingdom refers to the second coming of Jesus, in which the Kingdom will be present in full power. Therefore, believers must be ready to receive the Kingdom of God in their lives and to demonstrate God's power in their actions.