Is there any legal responsibility for helping a friend's company to be a supervisory board?

Legal subjectivity:

The legal responsibility of the company's supervisors is to supervise the directors and senior managers of the company to perform their duties. According to relevant laws and regulations, the term of office of the supervisor is three years, and the supervisor can be re-elected, and the director cannot concurrently serve as the supervisor. A joint stock limited company must set up a board of supervisors.

Legal objectivity:

Article 53 of the Company Law The board of supervisors and the supervisors of a company without a board of supervisors shall exercise the following functions and powers: (1) Check the financial affairs of the company; (2) To supervise the acts of directors and senior managers in performing the duties of the Company, and put forward suggestions for the removal of directors and senior managers who violate laws, administrative regulations, articles of association or resolutions of the shareholders' meeting; (3) To require directors and senior managers to correct their actions when they harm the interests of the company; (4) Proposing to convene an extraordinary shareholders' meeting, and convening and presiding over the shareholders' meeting when the board of directors fails to perform its duties as stipulated in this Law; (five) to submit a proposal to the shareholders' meeting; (6) To institute legal proceedings against directors and senior managers in accordance with the provisions of Article 151 of this Law; (seven) other functions and powers stipulated in the articles of association.