feudal system or feudalism.
The duke.
The barons were the lowest level of titled nobility. The were above free men, and below earls (in England, called counts elsewhere), marquesses, dukes, and princes, in order from lowest to highest rank. Because there were a fair number of them and they all had their own knights, they were able to do such things as pressure King John of England into signing the Magna Carta.
In secular society, the order was:Royalty at the topNobilityFree people, including merchants, tradesmen, and so onSerfsand sometimes there were slavesKnights, who were usually considered to be the lowest rank of nobility.Peasants included freemen, serfs and slaves. Freemen were independent farmers. Serfs were dependents of nobles or landed gentry, to whom they owed allegiance; serfs were not entirely free, but were not slaves either. Most countries did not have slaves.
There are four courses for the highest ranks, three for the middle class, and one to two for the lowest rank (not including slaves and chefs).
slaves
slaves
There is no specific lowest level of metabolism.
They believed in it because they thought it would be far to everyone the lowest group didn't deserve but the higher groups did.
the bectrens
Xia
slaves
caucasian
They were called the "Mayeque". They were the slaves. The lowest on the social scale.
The lowest class of Latin American society historically was made up of indigenous populations and slaves brought over from Africa. They often faced extreme poverty, discrimination, and marginalization from the rest of society.
Investment bankers, a.k.a "untouchables"..
Peninsulares