seceder
Noun
Meaning
One who secedes.
One of a numerous body of Presbyterians in Scotland who seceded from the communion of the Established Church, about the year 1733, and formed the Secession Church, so called.
Source: Webster's dictionarySynonyms
convert
faction
collaborator
separatist
brawler
deserter
mugwump
anarchist
traitor
apostate
nonconformist
schismatic
demagogue
secessionist
changemaker
Show all synonyms