This is the 121st most frequent Korean word.
않는
"않는" means "not" or "does not" (used for negation in Korean).
The word '않는' is used here as a modifier, representing the negative verb form of 'to eat' (먹다) in the present tense, describing the noun 'person' (사람).
나는 그것을 먹지 않는 사람이다.
I am a person who does not eat it.
Here, '않는' negates 'repeating' (반복하다), indicating a desired action in relation to finding a method, describing the word 'way' (방법).
우리는 실수를 반복하지 않는 방법을 찾아야 한다.
We need to find a way not to repeat mistakes.
In this sentence, '않는' negates 'giving up' (포기하다), indicating a present habit or disposition, modifying the noun 'attitude' (태도).