poltroon
🇺🇸
/pɑːlˈtruːn/
🇬🇧
/pɒlˈtruːn/
A person who is very afraid and does not have the courage to do things.
The bully called him a poltroon because he wouldn't fight back.
いじめっ子は彼が反撃しないために臆病者と呼んだ。