The correct answer is C) a farmer who has to give most of what he farms to someone else.
The people who are an example of a serf is a farmer who has to give most of what he farms to someone else.
Peasants were at the bottom of the social class during the Middle Ages. They used to work for the landlords' farm fields in exchange for food, shelter, and protection. During these medieval times, peasants were poor people dedicated to work and serve. Something similar happened in the Encomienda times, where Spaniards had Native American Indians work in their plantations.
