Do the parties who ask for a lawyer have to be immediate family members?

Legal analysis: immediate family members are required. 1. In criminal cases, people who help defend are called "defenders". In civil cases, the person who represents the lawsuit is called an agent. 2. In criminal cases, immediate family members may be entrusted to participate in defense.

Legal basis: Civil Code of People's Republic of China (PRC).

An entrustment contract is a contract in which the principal and the trustee agree that the trustee will handle the principal's affairs.

Article 922 The trustor shall handle the entrusted affairs according to the instructions of the trustor. If it is necessary to change the client's instructions, it shall be approved by the client; If it is difficult to get in touch with the client due to an emergency, the agent shall properly handle the entrusted affairs, but shall report the situation to the client in time afterwards.