When to use singer in Korean
Korean: 가수[ ga-su ]

When to use it
A singer (가수) is a person who sings songs. You use this word when talking about someone who performs music, like a pop star or a person singing on stage. It is a common everyday word when you talk about music you like.
Example sentences
우리 언니는 가수예요.
My older sister is a singer.
학교 축제에 유명한 가수가 와요.
A famous singer is coming to the school festival.
공원에서 가수가 노래해요.
A singer is singing in the park.
저는 그 가수를 좋아해요.
I like that singer.
가수 사진이 있는 잡지를 샀어요.
I bought a magazine with a singer's photo.
비행기에서 가수 노래를 들었어요.
I listened to a singer's song on the airplane.