扇せん動どう者しゃ

noun

agitator; rabble-rouser

Refers to a person who stirs up public feeling, often for political or social causes. Can carry a negative connotation.

• 彼かれはデモで扇せん動どう者しゃとして逮たい捕ほされた。

  He was arrested as an agitator at the demonstration.