가 당신을

… you

→ 가
phrase Common #5,290
… you This is a sentence fragment: 가 marks the subject before it, and 당신을 means “you” as the object of a verb.
KO: 친구가 당신을 기다려요.
EN: Your friend is waiting for you.

셀레스트가 당신을 찾았어

Celeste was looking for you.

— 미스틱 리버 (2003)

큰 수염 도사가 당신을 잡으려고 기다리고 있소

The big-bearded sage is waiting to catch you.

— 천녀유혼 (1987)