The aim of this research is to reveal the role of KH. Muhammad Anshari in propagating Islam in Samarinda. Thus, this research is a descriptive-qualitative research applying observation, interview and documentation as its primary data collection techniques. Findings suggest that the roles of KH. Muhammad Anshari in propagating Islamic teaching in Samarinda, especially aspects related to his very religious life style, his action oriented ideas regarding the implementation of Islam in everyday life, and his observed behavior in family, pesantren, and small group gathering settings, is significant in shaping the religious behavior of people in his community
