protester

/prəˈtɛstər/
noun
  1. A person who publicly shows strong disagreement with something, often by marching, carrying signs, or speaking out.
    • Police spoke with the protesters to keep the demonstration peaceful.
    • One protester held a sign that read 'Save Our Forests'.
    • The protesters gathered in the town square to demand climate action.
Antonyms
What does "protester" mean? | whatsthatwordmean | whatsthatwordmean