1. A charismatic leader, who increasingly becomes an object of worship as the general principles that may have originally sustained the group lose power.
2. A process call coercive persuasion or thought reform.
3. Economic, sexual, and other exploitation of group members by the leader and the ruling coterie.
I met Gary Koyen during the early '80s. He is a "(1) Charismatic
Forum:
Coercive Persuasion and Undue Influence