Synonyms for Reversionist:

• n.

  •backslider (noun)
  • backslider.
  •recidivist (noun)
  • recidivist.

• Other synonyms:

  •Other relevant words:
  • separatist,
  • turncoat,
  • defector,
  • collaborator,
  • strikebreaker,
  • renegade,
  • turnabout,
  • apostate,
  • prodigal son,
  • mugwump,
  • repeater,
  • secessionist,
  • schismatic,
  • proselyte,
  • deserter,
  • fifth columnist,
  • recreant,
  • reversioner,
  • traitor,
  • convert,
  • quisling.