prompter
🇺🇸
/ˈprɑːmptər/
🇬🇧
/ˈprɒmptə(r)/
A person who helps actors remember their lines by quietly saying them just before the actor needs to speak.
The actor forgot his lines, so the prompter whispered them from the wings.
배우가 대사를 잊어버려서, 프롬프터가 무대 옆에서 속삭였다.