This research aims to determine the strategy for realizing social harmony in Islamic and Christian communities in Bukit Malintang District, Mandailing Natal Regency, knowing the forms and forms of social harmony and the efforts made to create social harmony in Islamic and Christian communities in Bukit Malintang District, Mandailing Regency. Christmas 2024. This research uses qualitative research methods. Data collection in this research uses observation, interviews and documentation techniques. Social harmony is compatibility, suitability, balance and justice which provides a sense of security, peace and prosperity to all mankind. Broadly speaking, it means the existence of brotherhood and togetherness between religious communities even though they are different in terms of ethnicity, race and class. The results of this research show that in the villages of Promisematogu and Lambou Dahlul Ihsan, each religion teaches to live in peace and tranquility. The importance of awareness among the adherents of each religion makes it very easy to establish social harmony in society. So that people can live in peace, help each other, respect each other, in everyday life. Religious figures also often emphasize the importance of tolerance as a basis for peaceful coexistence. By implementing the Dalihan Na Tolu system, the kinship system has an important meaning that looks at the relationship between Islamic and Christian communities in the kinship system incorporated in Dalian Na Tolu, overcoming relationships that are built on the basis of inter-religious brotherhood.

The Nias tribe generally chooses urban areas as a place to migrate because the city symbolizes dynamism and is the center of all progress. People who decide to migrate must determine the right destination area.  The people of Nias migrate to an area or leave their area for several reasons. Firstly, economic reasons, the difficulty of meeting living needs in their hometown is one of the factors that most influences the migration activities carried out by the people of Nias. Secondly, there is a social reason, there is an opinion that people who migrate to the other side are considered to have broader experience/insight, have a lot of wealth and money. Third, family reasons, the people of Nias migrate because they already have or have had family members or friends who have migrated first. In this research, researchers focused on the economic adaptation strategies of Nias migrants who migrated to Tarutung sub-district. The researcher chose the title of this research to find out how Nias migrants adapt to the economy in Tarutung. Researchers chose to conduct research on economic adaptation strategies for Nias migrants in Tarutung because the economy is a fundamental aspect of human life, including migrants. The type of research used in this research is qualitative approach research. Qualitative research is a research procedure that produces descriptive data in the form of written or spoken words from people and observed behavior.

This study is entitled the distribution of inheritance in the Pakpak community in Sukamakmur Village. Gunung Meriah District, Aceh Singkil Regency, namely the distribution of inheritance in the past and present communities with the aim of knowing 1) The shift that occurred in the distribution of inheritance in the Pakpak community in Sukamakmur Village. 2) The factors behind the shift in the distribution of inheritance in the Pakpak community in Sukamakmur Village. The method used in this study is a descriptive qualitative research method, to understand what phenomena are experienced by the research subjects holistically, namely by describing them in words and language, based on the findings in the field. The results of the study show that the distribution of inheritance in the Pakpak community in Sukamakmur Village has shifted where in the past, the community in implementing inheritance drew a patrilineal system which drew the father's lineage so that the inheritance that was entitled and became the heir of the son so that parents prioritized sons in inheritance while if the Pakpak community drew a patrilineal lineage, of course the position and even the rights of daughters to get it were very non-existent, while at present the Pakpak community in Sukamakmur Village parents provide opportunities so that parents on average give their property to their daughters. Now the Pakpak community carries out inheritance in the past parents were required to present Kula-kula, Senina, Berru but what happened in the village was that some people no longer followed to present these three, in that community only distributed inheritance among themselves between parents and children only

The title of this research emphasizes social changes in the kinship system in the traditional marriage ceremony of the Nias community (case study of the fanika stages of the mbowo era) in Tuhembuasi Village, Sogae'adu District, Nias Regency. The aim of this research is: To find out/describe social changes in the kinship system in the traditional marriage ceremony of the Nias community (case study of the fanika stages of the mbowo era) in Tuhembuasi Village, Sogae'adu District, Nias Regency. In this research, the method used is a descriptive qualitative approach. The results of the research show that the causes of changes in the Fanika stages of the Mbowo era in the Nias tribe community in Tuhembuasi Village, Sogae'adu District, Nias Regency are: (1) parents nowadays are very busy so they don't have time to talk about or teach about customs. and the culture of the Nias people to their children; (2) because the implementation of the Fanika stages in the Mbowo era took a lot of time, up to 3 to 4 hours, so people also felt bored because the time was too long, so the implementation of this stage was often postponed; (3) many people currently have very little experience of Nias culture so that the implementation of its customs as they are is important to remember but is not implemented; (4) migrate, marry with other tribes, so that the celebration does not reflect Nias culture.