Synonyms of protester in English:

protester


See US English definition of protester

See UK English definition of protester

See Spanish definition of manifestante

noun

1‘a spokesman for the council admitted losing protesters' letters’

SYNONYMS
objector, opposer, opponent, complainer, dissenter, dissident, rejectionist, nonconformist, disruptor
rare dissentient

2‘sixty protesters were arrested for wire cutting’

SYNONYMS
demonstrator, protest marcher, human chain
striker, mutineer, picket