The antonyms for the phrase "am agent for" could vary depending on the context. If we take it in a professional setting, the antonyms could be "am not agent for," "resign as agent for," or "terminate agent for." In a personal context, the antonyms could be "am not responsible for," "free from being an agent for," or "refuse to be an agent for." Essentially, the antonyms suggest a lack of involvement or disassociation from the role of an agent. It could be a deliberate choice or a consequence of circumstances, but either way, the absence of being an agent indicates a different level of responsibility and accountability.
