cult

A group or sect of people with a deviant religious, philosophical or cultural identity, often existing on the margins of society or exploitative towards its members.

“Oh my gosh, I'm in a repressive cult! How can I leave it?”

Devotion to a saint.

The veneration and religious rites given to a deity, esp. in a historical polytheistic context.

A religion that evolved out of another religion but has become a different religion through developing a radically different theology.

A group of people having an obsession with or intense admiration for a particular activity, idea, person or thing.

Of or relating to a cult.

Enjoyed by a small, loyal group.

“a cult horror movie”

True to the ideology of black metal or a stereotypical manifestation of that subculture.

“You gotta wear make-up at kvlt gigs or you'll be thrown out.”