"Unlike theft where the property is taken unlawfully, in embezzlement the property comes lawfully into the possession of the embezzler who then fraudulently or unlawfully appropriates it. ...For instance, when a cashier steals money form the till of his employer, the employee has committed embezzlement."
Generally speaking, a polis of ancient Greece was a "City State," in which there was a great deal of autonomy and self-governance, which was a goal of many Greek philosophers of the day.