noun
1. a person who dissents from some established policy
• Syn: ↑dissenter, ↑dissident, ↑objector, ↑contestant
• Derivationally related forms: ↑object (for: ↑objector), ↑protest, ↑dissident (for: ↑dissident), ↑dissent (for: ↑dissenter)
• Hyponyms: ↑conscientious objector, ↑CO, ↑nonconformist, ↑recusant, ↑political dissident, ↑NIMBY
2. someone who participates in a public display of group feeling
• Syn: ↑demonstrator
• Derivationally related forms: ↑protest, ↑demonstrate (for: ↑demonstrator)
• Hypernyms: ↑reformer, ↑reformist, ↑crusader, ↑social reformer, ↑meliorist
• Hyponyms: ↑counterdemonstrator, ↑picket
Useful english dictionary. 2012.