cult

noun
  1. A system of religious veneration and devotion directed toward a particular figure or object, often characterized by rituals, beliefs, and practices that are distinct from mainstream religions. noun
    The cult worshiped a deity that was not recognized by any established religion.
    Members of the cult gathered every evening for their secret rituals.
  2. A group or movement exhibiting intense devotion to a particular person, idea, or set of beliefs, often with unorthodox or controversial practices, sometimes considered to be outside mainstream society. noun
    The cult around the charismatic leader attracted many young followers.
    The film explores the dangers of joining a destructive cult.