This is the 3274th most frequent Korean word.
근로자의
"Of the worker" or "laborer's."
Here, '근로자의' denotes possession, indicating 'of the worker', and modifies '권리' (rights), showing belongingness.
근로자의 권리는 소중히 여겨져야 합니다.
The rights of workers should be cherished.
'근로자의' in this sentence describes '노력' (efforts), attributing the efforts specifically to the workers.
근로자의 노력이 없었다면 이 성과는 불가능했을 것입니다.
Without the efforts of workers, this achievement would not have been possible.
In this example, '근로자의' modifies '복지' (welfare), linking the welfare to the workers as the subject.