The Jewish people, since they appear in the history seem to have lot of problems with the other people that lived around them, often being persecuted or enslaved.
Initially they have been enslaved by the Egyptians and were not in nice relations with them, saving themselves by the scratch, but ending up in a desert. After they settled in what is now Israel, they have been conquered by the Assyrians, and since they were rebellious, the Assyrians systemically misplaced them out of their homeland. After that came the Romans, and it was similar, as part of them was again moved forcefully in other places of the empire. The Muslim Caliphates showed no mercy toward them, and they were terrorized and forced to move away. Then they had troubles in Europe as well, especially with the Spanish inquisition where they were burned alive publicly or killed without any mercy.
The correct order is the following.
We are talking about social classes during the feudal system in the European Middle Ages. So the classification was the following.
At the top of the pyramid, was the king, followed by the nobles, then the knights and vassals, next, farmers, merchants, and craftsmen. And at the bottom of the pyramid, peasants, and serfs.
The feudal system worked out well during the Middle ages in Europe. It protected people who were dedicated to doing their jobs, meanwhile, the nobility tried to exert its power and influence on the king and the pope.