자네들을

you all

→ 자네들
phrase Rare #24,127
you all 자네들 means “you all,” and 을 marks it as the object of the sentence. 자네 is an old-fashioned form of address, often used by an older speaker toward younger people or subordinates.
KO: 내일 자네들을 다시 만나고 싶네.
EN: I’d like to see you all again tomorrow.

자네들을 도우려고 비행기까지 타고 왔는데 뭣 때문에?

I even flew here to help you guys, so what’s the problem?

— 미스터 헐리웃 (2000)