devotee (n.)
- addict
- adherent
- admirer
- aficionado
- amateur
- aspirant
- aspirer
- believer
- booster
- buff
- bug
- candidate
- catechumen
- churchgoer
- churchman
- collector
- communicant
- convert
- crank
- dilettante
- disciple
- enthusiast
- fan
- fanatic
- fancier
- fiend
- follower
- freak
- groupie
- habitue
- head
- hopeful
- hound
- idolater
- idolizer
- junkie
- lover
- monomaniac
- neophyte
- nut
- proselyte
- receiver
- religionist
- rooter
- saint
- suitor
- theist
- truster
- votary
- wanter
- wisher
- worshiper
- yearner
- zealot