Meaning of the word serf in English

What does serf mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

serf

US /sɝːf/
UK /sɜːf/

Noun

an agricultural laborer bound to work on his lord's estate

Example:
During the Middle Ages, many people lived as serfs, tied to the land they worked.
The feudal system relied heavily on the labor of serfs.