자가

the person who

→ 자

phrase Common #3,765

the person who Here, 자 means “person” or “one,” and 가 marks it as the subject. With demonstratives like 이 or 저, 자 can sound blunt or dismissive, like “guy.”

KO: 범인을 본 자가 누구예요?

EN: Who was the person who saw the culprit?

나와 협상할 자가 있느냐?

Is there anyone who wants to negotiate with me?

— 반지의 제왕: 왕의 귀환 (2003)

이런 자가 선생 이라니

I can't believe someone like that is a teacher.

— 하얀 리본 (2009)