marcher
🇺🇸
/ˈmɑːrtʃər/
🇬🇧
/ˈmɑːtʃə(r)/
A person who participates in a march, especially as a form of protest.
The marcher proudly waved their flag as they walked in the protest.
行進者は抗議デモで歩きながら自分の旗を誇りに揺らしていました。