The post office delivers the mail in all kinds of weather. Policemen risk their lives to protect and serve the public. According to Plato, these professions are an example of a "class" in his utopian society. He called them:

He called them AUXILIARIES.

Explanation: Plato's idea of a just society is divided into three classes: the producers, the auxiliaries, and the guardians.

Basically they are defined as individuals who gives assistance or support in th society.

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your answer is "graduates" hope this