agitator
🇺🇸
/ˈædʒɪteɪtər/
🇬🇧
/ˈædʒɪteɪtə(r)/
someone who causes trouble or encourages others to protest
The agitator urged the crowd to stand up against injustice.
선동가는 군중을 불의에 맞서 일어나도록 독려했습니다.