This is the 11973rd most frequent Korean word.
노조에
"노조에" translates to "to the labor union" in English.
In this sentence, '노조에' refers to the labor union as the entity to which the action of joining is directed. It is used with the verb '가입하다' (to join).
노조에 가입하려면 관련 서류를 제출해야 합니다.
To join the labor union, you need to submit the relevant documents.
Here, '노조에 대한' signifies 'about the labor union,' where '노조에' is connected to '대한' (about) to represent an association with the union.
노조에 대한 정부의 우려가 제기되고 있습니다.
Concerns about the labor union are being raised by the government.
In this context, '노조에' indicates the entity from which cooperation is requested, relevant to the verb '협력을 요청하다' (to request cooperation).