Christian
God-fearing man
accepter
addict
adherent
aficionado
alien
believer
bigot
buff
bug
case
catechumen
character
churchgoer
churchite
churchman
collector
communicant
convert
crackpot
crank
daily communicant
demon
devotee
devotionalist
disciple
eager beaver
eccentric
energumen
enthusiast
extremist
faddist
fan
fanatic
fanatico
fiend
follower
freak
good Christian
great one for
hermit
hobbyist
hobo
hound
infatuate
kook
lone wolf
loner
Hebrew
Israelite
jew
helot
pellet
pelot