followers of an exclusive system of religious beliefs and practices
source: WordNet 3.0
an interest followed with exaggerated zeal
He always follows the latest fads. It was all the rage that season.
source: WordNet 3.0
followers of an unorthodox, extremist, or false religion or sect who often live outside of conventional society under the direction of a charismatic leader
source: WordNet 3.0
a religion or sect that is generally considered to be unorthodox, extremist, or false