bystander
🇺🇸
/ˈbaɪstændər/
🇬🇧
/ˈbaɪstændə(r)/
a person who is present at an event but not taking part in it
The bystander watched the argument but did not get involved.
구경꾼은 논쟁을 지켜보았지만 개입하지 않았다.