Synonyms of demonstrator

2 Syllables
rioters, strikers, rioter, beatnik, trainer, anarch, striker, marcher, breeders, trainers, breeder, swingers, frondeur
3 Syllables
instructor, disrupter, instructors, firebrand, liberals, boycotter, picketers, dissenter, exponent, revolter, picketer, objector, objectors, radical
4 Syllables
troublemaker, misbeliever, agitator
6 Syllables
revolutionaries, revolutionary