abjuratory
apostate
backslider
bolter
breakaway
collaborationist
collaborator
convert
defector
deserter
fifth columnist
mugwump
mugwumpian
mugwumpish
proselyte
quisling
recidivist
recreant
renegade
renegado
renegate
renunciative
renunciatory
repudiative
repudiatory
reversionist
revocatory
runagate
schismatic
seceder
separatist
strikebreaker
tergiversant
tergiversator
traitor
turnabout
turncoat
turntail
advocate
advocator
exponent
proponent
secede
secession
'german
Anabaptist
Fenian
Fortean
birdwatcher
copyhold
denigration
emancipationist
fanbase
fisherwoman
garrisonian
hero-worshipper
landowner
monarchist
nihilist
objectivist
reactionist
religionists
secessionists
sportswoman
supremacist
technophobe
worshiper
zealotry
impressionist