What is the meaning of Serf?

A partially free peasant of a low hereditary class, attached like a slave to the land owned by a feudal lord and required to perform labour, enjoying minimal legal or customary rights.

A similar agricultural labourer in 18th and 19th century Europe.

A worker unit.

serf

a serf (semifree peasant obliged to remain on the lord's land and to perform extensive chores for him)

a serf (semifree peasant obliged to remain on the lord's land and to perform extensive chores for him)

being or like a serf, semifree

deer

serf (semifree peasant)

expense, cost

serf (semifree peasant)

first-person singular present indicative of servir

deer

Source: wiktionary.org