1. There is a de facto labor relationship between your father-in-law and the construction unit contracting the construction site. Therefore, if your father-in-law is injured by violence or other accidental injuries while performing his work duties during working hours and in the workplace, it will be regarded as a work-related injury. .

Second, you must first declare a work-related injury, wait for it to be determined, and then conduct a labor ability appraisal. Finally, hire a lawyer to intervene, calculate the amount of compensation, and conduct labor arbitration.

3. Those who directly recommend others shall bear criminal liability.