Peranan Alumni Pesantren Musthafawiyah dalam Pembinaan Perilaku Beragama Masyarakat di Kecamatan Pandan Tapanuli Tengah

This research aims to find out behavior of religious communities in Pandan District, construction of religious behavior the community in Pandan District,  alumni role in coaching behaviors of musthafawiyah boarding school religious communities in Pandan District and opportunities and challenges facing the musthafawiyah boarding school alumni in religious behavior coaching community in Pandan District. This research uses qualitative research methods with the descriptive approach. Data collection is carried out by means of observation, interview and documentation. As for the data analysis was done with three stages, namely: reduction, the presentation of the data and the withdrawal of the conclusion. The results showed that the majority of people in Pandan District were Muslim, there is an existing Taklim Assembly (exists), the number of adequate mosque every Kelurahan/Desa, and the number of alumni who are many in Pandan. The conclusion is that the challenges facing Musthafawiyah boarding school alumni in the construction of religious behavior in society is the alumni organization management Made that has not been good and society who are less concerned with religious activities