This is the 17375th most frequent Korean word.
선장을
"선장을" is the accusative form of "선장," meaning "captain" (of a ship).
In this sentence, '선장을' is used to refer to a captain as the object being selected.
선장을 선발하기 위한 과정은 매우 철저해야 합니다.
The process of selecting a captain must be very thorough.
Here, '선장을' identifies the captain as the object of the verb '따라서' (followed).
우리는 선장을 따라서 항해의 방향을 결정했습니다.
We decided the direction of the voyage by following the captain.
In this example, '선장을' denotes the captain as the object of the respect given by the team members.