Synonyms of abandoner

2 Syllables
rebel, outlaw, snake, recreant, betrayer, traitor, turncoat
3 Syllables
insurgent, schismatic, deserter, backsliders, escapee, forsaker, runaway, mutineer, exile, backslider, heretic, defector, refugee, dissident, turnabout
4 Syllables
fugitive, double-crosser, iconoclast, apostate
5 Syllables
tergiversator