Bastard

개자식

gaejasik

(contemptible etc. person)

녀석

nyeoseok

(contemptible etc. person)

놈

nom

(humorously: man, fellow)

사생아

sasaeng'a

(person born to unmarried parents)

사생자

sasaengja

(person born to unmarried parents)

새끼

saekki

(contemptible etc. person)

서자

seoja

(person born to unmarried parents)