군인이 · 군인을
soldier, serviceman
Example
제 동생은 지금 군인이라서 집에 자주 못 와요.
My younger brother is a soldier now, so he can't come home often.
Word parts
군 army+인 person
Literally 'army person'.
Good to know
Most Korean men serve in the military; 군대에 가다 means to start mandatory service.
Related words