cult - noun

followers of an exclusive system of religious beliefs and practices

an interest followed with exaggerated zeal

followers of an unorthodox, extremist, or false religion or sect who often live outside of conventional society under the direction of a charismatic leader

a religion or sect that is generally considered to be unorthodox, extremist, or false

a system of religious beliefs and rituals

cult - thesaurus

craze   cultus   fad   furor   furore   rage