rioter
🇺🇸
/ˈraɪətər/
🇬🇧
/ˈraɪətə(r)/
A person who takes part in a violent disturbance in a public place, often as a form of protest.
The police arrested several rioters during the protest.
警察は抗議運動中に数人の暴徒を逮捕した。