This is the 3368th most frequent Korean word.
누구를
"누구를" means "whom" in English, used as an object in a sentence.
In this sentence, '누구를' is used as the object of the verb '만나기로 하다,' meaning 'to plan to meet.' It asks about the specific person planned to be met.
누구를 만나기로 했니?
Who did you plan to meet?
Here, '누구를' serves as the object of the verb '좋아하다,' meaning 'to like.' It inquires which person is liked the most by the subject.
누구를 가장 좋아하나요?
Who do you like the most?
In this sentence, '누구를' functions as the object of the verb '초대하다,' meaning 'to invite.' It is used to ask about the specific individuals to be invited.