문신이 · 문신을
civil official
Example
고려 시대에는 문신이 무신보다 더 좋은 대우를 받았어요.
In the Goryeo period, civil officials were treated better than military officials.
Word parts
문 letters+신 subject
Literally 'subject of letters', an official who serves with the pen.
Good to know
Homonym alert: 문신 also means a tattoo, written with different characters.