This is the 5199th most frequent Korean word.
다윗을
The Korean word "다윗을" is the object form of "다윗" (David), meaning "David" as the object of a sentence.
The word '다윗을' is used as the direct object of the verb '좋아하다' (to like), indicating that David is the person liked by the friend.
다윗을 좋아하던 친구가 갑자기 그를 비난하기 시작했다.
A friend who used to like David suddenly began to criticize him.
Here '다윗을' acts as the direct object of '만난' (met), specifying that the object of meeting was David.
다윗을 만난 적이 있는 사람은 그의 친절함을 잊지 못한다.
Anyone who has met David cannot forget his kindness.
In this sentence, '다윗을' functions as the direct object of '도와주다' (to help), showing that the assistance is intended for David.