는 자기가

… themselves

→ 는

phrase Rare #32,354

… themselves 는 marks the preceding noun as the topic, and 자기가 means “they themselves” as the subject of the following clause. The English pronoun usually changes to match the person being discussed.

KO: 민수는 자기가 할 수 있다고 믿어요.

EN: Min-su believes he can do it himself.