fanatic (n.)
- addict
- aficionado
- alien
- ass
- bedlamite
- believer
- bigot
- buff
- bug
- bullethead
- case
- catechumen
- character
- chauvinist
- churchgoer
- churchman
- collector
- communicant
- convert
- crackpot
- crank
- dement
- demon
- demoniac
- devotee
- diehard
- disciple
- doctrinaire
- dogmatist
- donkey
- eccentric
- enthusiast
- extremist
- faddist
- fan
- fiend
- flake
- follower
- freak
- hermit
- hobbyist
- hobo
- hound
- idiot
- jingo
- kook
- loner
- loon
- loony
- lunatic
- madman
- maniac
- maverick
- monomaniac
- mule
- natural
- neophyte
- nonconformist
- nut
- oddball
- oddity
- original
- outsider
- pariah
- pig
- positivist
- proselyte
- purist
- pursuer
- racist
- radical
- receiver
- religionist
- revolutionary
- revolutionist
- saint
- screwball
- sexist
- solitary
- stickler
- theist
- tramp
- truster
- type
- ultra
- visionary
- votary
- weirdo
- zealot
fanatic (adj.)
But Faith, fanatic Faith, once wedded fast
To some dear falsehood, hugs it to the last.