Joseph of the Old Testament was held captive in Egypt. While in Jail he was called to interpret the dream of the Pharaoh. The Pharaoh dreamt of seven famished stalks devour seven healthy ones. Then he saw a vision of seven lean cattle gobbling seven fat ones. Joseph said that the dream foretells that there will be a cornucopia in Egypt for seven years followed by famine. Joseph as an idiom means a successful dream interpreter. As another idiom Joseph means restoration to success and establishment by God after a period of trials and tribulations. God Jehovah Christ will make a Joseph occur in my life. Freud was a successful Joseph.
Egypt is an idiom and refers to Israelites when they were in Captivity and bondage. Palestinians are facing an Egypt so also are the people in Somalia. It was Moses who freed the Israelites from Egypt.
Paul the Apostle of Christ had a dramatic change at Damascus and after that became a follower and preacher of Christ. He was able understand Christ more than the disciples. Paul as an idiom means proselytize. Paul is needed in the world to bring all people to salvation. The word of God is a Paul for people in distress.