Synonyms of objector

2 Syllables
rioter, marchers, marcher, fighter, warrior
3 Syllables
activist, dissenters, reformers, combatant, protester, partisan, boycotter, dissenter, complainer, leftwinger, complainers, left-winger, reformer
4 Syllables
belligerent, demonstrators, demonstrator, separatist, secessionist