This is the 3909th most frequent Korean word.
연인
"연인" means "lover" or "romantic partner."
In this context, '연인' describes the person significant to the subject in a romantic way.
연인을 만난 후 그의 인생은 완전히 달라졌어요.
After meeting his lover, his life completely changed.
In this sentence, '연인' is used to refer to individuals in a romantic relationship.
연인은 서로를 사랑하며 존중해야 합니다.
Lovers should love and respect each other.
Here, '연인' denotes the individual's romantic partner.