Can one person act as an agent (wakil) in several cases?

Question

Question: If a person once becomes someone’s agent (wakil) in some lawsuit, then for the rest of his life he cannot be anyone’s agent in a lawsuit, except as an agent for nikah. Is this correct?

Answer

When a person has already become an agent for one side in a case, he cannot become an agent for the other party in that same case until he withdraws from representing the first party. As for the claim that he cannot be anyone’s agent at all and will remain idle for the rest of his life, so that his very capacity for agency comes to an end, except as an agent for nikah — that…

Source: Fatawa Mahmudiyya

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