Brahmin, Monk, Astrologer, Medium: The Transition of the Master of Ritual of Lord Ganesha in Isan

People in today's society are faced with risk in everyday life, whether the risk is immoral condition, a natural disaster, political conflicts, or economic turmoil. People in society are also struggling competitively to survive. Problems that arise now are significant and are beyond the ability to personally manage. Moreover, people are looking for security in their society in order to survive. The belief in a supernatural power fits so perfectly as a solution to these problems and seems to answer the questions that are happening right now. People have many beliefs in various god figures. "Ganesha" god, is a tremendous success god who can eliminate all obstacles. It was selected by the prosecution to unravel the lives of most people in Thailand now. This paper was written to explore a social phenomenon and to create interest in this field of research. The researchers have found that a group of people taking turns to act as a key leader in the ceremonies related to beliefs in Ganesha by diverse groups. The researchers used qualitative research methods by in a case study approach. Data was collected through in-depth interviews.