(n.) One instructed in the mysteries of a secret system.

Cassandra Druidess Parsi Sabaist Zoroastrian animal worshiper anthropolater arborolater archaeolater astrologer augur calamity howler chthonian crystal gazer daduchus demon worshiper demonolater dendrolater devil worshiper divinator diviner divineress epopt fetishist fire worshiper flamen forecaster foreknower foreseer foreshower foreteller fortuneteller geomancer haruspex hierodule hierophant hieros idol worshiper idolater idolatress idolatrizer idolist idolizer mystes nature worshiper ophiolater palmist phallic worshiper predictor prefigurer presager prognosticator prophesier prophet prophet of doom prophetess psychic pyrolater pythoness religious prophets seer seeress snake worshiper soothsayer star worshiper sun worshiper theriolater therolater tree worshiper vates weather prophet zoolater