선수였던

In a sentence

• 그는 올림픽에서 금메달을 딴 선수였던 경험이 있는 사람입니다.

  He is a person who has the experience of having been an athlete who won a gold medal at the Olympics.

  In this sentence, '선수였던' is used to describe 'the athlete who had been' involved in the narrative, referring to past participation.

• 선수였던 그녀는 지금 코치로 일하고 있습니다.

  She, who had been an athlete, is now working as a coach.

  Here, '선수였던' is utilized to refer to the prior occupation of the subject, indicating previous professional involvement as an athlete.

• 과거 축구 선수였던 사람들 중 일부는 다른 직업으로 전향했습니다.

  Some of the people who were soccer players in the past have transitioned to other careers.

  In this context, '선수였던' identifies individuals in relation to their past identity or role as soccer players.