Answer:
1- Basement
It consists of the relationship that was established between a free man, the"vassal", and another free man, the"noble." This relationship was governed by the commitment of obedience and service on the part of the vassal and the obligations of protection and maintenance by the nobleman.
Nobles used to cede part of their lands to their vassals as a form of payment. These portions of land were known by the name of fiefs and were worked by slaves. A feudal lord could have as many vassals as his estates allowed him and, on occasion, could accumulate as much or more power than the king.
2- Servants
A servant was a free man who worked the lands and took care of the animals of the vassal, although the feudal lord could decide on numerous matters of his life, including his possessions. Unlike slaves, these could not be sold or separated from the land they worked for.
3- Gentlemen
The figure of the knight errant emerges during feudalism as a force to defend the interests of the king or feudal lord, and also to extend the Catholic faith in the world.
Therefore, a gentleman had to follow a code of conduct And of honor in the art of war, and for their religious, moral and social life.
