Manorial workers were an important part of the feudal system in medieval Europe. They included serfs and peasants, who were bound to the land and obligated to provide labor and services to their lord in exchange for protection and the use of land. The term 'SERF' is a four-letter word meaning a person in a condition of servitude, while 'PEASANT' is a seven-letter word referring to a member of the lowest social class in a feudal society.