Adherent
Part of speech: adjective
Definition: adhesive, that sticks to something that has the quality of clinging or sticking fast to something
Part of speech: noun
Definition: A person who has membership in some group, association or religion.
Disciple
Part of speech: noun
Definition: A person who learns from another, especially one who then teaches others.An active follower or adherent of someone, or some philosophy etc.
Example sentence: Looking back, I can see that the women I loved, at least early on, were status symbols. I suppose, in that sense, I was my mother's true disciple. She'd taught me that a good man, though elusive, could transform one's whole life once he was caught.