선장은

the captain

→ 선장
phrase Uncommon #14,199
the captain 은 marks the captain as the topic of the sentence.
KO: 선장은 지금 배에 있어요.
EN: The captain is on the ship now.

선장은 마저 하시고

Captain, please go ahead and finish what you were doing.

— Space Sweepers (2021)

이 배의 선장은 우리가 아니야

We’re not the captains of this ship.

— 부고니아 (2025)

선장은 아직 이야?

Is the captain here yet?

— 아나콘다 (2025)

선장은 어리둥절한 듯했다.

The captain looked puzzled.