This is the 3108th most frequent Korean word.
가리지
"가리지" is not a standalone word but likely part of a phrase or conjugation. Its root, "가리다," means "to cover, shield, or distinguish."
In this sentence, '가리지 않아요' (doesn't discriminate) is used to indicate that the person does not differentiate or show preference among food types.
그는 음식 종류를 가리지 않아요.
He doesn't discriminate between types of food.
Here, '가리지 말고' (don't be picky) suggests advice to not be selective or choosey when receiving a gift.
너는 선물을 가리지 말고 그냥 받아.
Don't be picky about the gift, just accept it.
'가리지 않고' (without discriminating) here conveys the meaning of doing something equally or without distinguishing the opponents.