CULT

[noun] [C] - (a group of people who follow) a particular system of religious belief, or (figurative) a strong interest in and liking for a particular person, idea or activitythe Hindu cult of Shiva(disapproving) He's a member of some strange cult which worships the Devil!Their son has run away from home and joined a religious cult.(figurative) During the 1980s the personal fitness cult (= fashion) spread rapidly.(figurative) There was a personality cult surrounding Stalin during the 1940s.If a singer, writer, etc. has a cult following or is a cult figure, they have a small number of extremely loyal followers, rather than general popularity.