Vocabulary
녀석
fellow, rascal (informal)
Meaning
녀석 : fellow, rascal (informal). Informal noun for a person, sometimes reproachful or affectionate.
Why this form?
놈 — “guy/jerk” can sound harsher or more hostile depending on context.
Forms not to confuse
놈
저놈이 또 왔어. — That jerk came back again.
Examples
이 녀석들…. — Those rascals…
이 녀석, 또 장난이구나! — You rascal, you're playing tricks again!