Serfdom is a form of hereditary or customary rural unfreedom in which peasants are bound to land, lordship, dues, labour obligations, and local jurisdiction. It differs from chattel slavery in legal form because serfs were usually not treated simply as movable property that could be sold apart from land or tenure. Many serfs had households, customary use-rights, recognized marriages, and village communities. The distinction matters, but it does not make serfdom free labour: restrictions on movement, marriage, inheritance, work, rents, and access to courts could place peasants under durable private domination.
In comparative histories of slavery, serfdom is best treated as adjacent unfreedom rather than as an identical institution. Medieval European villeinage, central and eastern European labour-service regimes, and Russian serfdom all varied by region and period. In many cases the lord's power worked through land tenure and local courts rather than through a bill of sale. In other cases, especially in later Russian practice, serfs could be transferred, punished, conscripted, or separated from family in ways that brought lived experience close to slavery while still preserving a different legal category.
The 1956 United Nations Supplementary Convention on the Abolition of Slavery, the Slave Trade, and Institutions and Practices Similar to Slavery named serfdom as one of the institutions or practices similar to slavery. It defined serfdom as the condition of a tenant who is bound by law, custom, or agreement to live and labour on another person's land and is not free to change that status.[1] That definition shows why abolition law had to reach beyond formal ownership: coercive systems could survive as land bondage, debt, marriage, adoption, apprenticeship, punishment, or custom.
Russian serf emancipation in 1861 is a major example of serfdom's boundary position. The reform abolished serf dependence for millions of privately held serfs and domestic serfs, but land settlement, redemption payments, household status, and state administration shaped what freedom meant in practice.[2] For slavery history, the lesson is categorical as well as chronological: serf emancipation was not the same legal event as chattel-slavery abolition, but it belongs in the same wider history of how states withdrew legal support from inherited command over vulnerable people.