serfs

n.

农奴，奴隶( serf的名词复数 )；像农奴般遭受奴役的人；

Kgalagari masters and Bushman serfs: some observations
Conquerors and serfs: wars of conquest and forced labour in archaic Greece
At media companies, a nation of serfs. The New York Times
The Emancipation of the Serfs in Russia: Peace Arbitrators and the Development of Civil Society
Did Serf Owners Control Serf Marriage? Orlov Serfs and Their Neighbors, 1773-1861
Slaves to Journals, Serfs to the Web: The Use of the Internet in Newsgathering Among European Science Journalists
Serfs, slaves, or wage earners? The legal status of labour in Russia from a comparative perspective, from the sixteenth to the ninet...
Did Russia's Emancipated Serfs Really Pay Too Much for Too Little Land? Statistical Anomalies and Long-Tailed Distributions
Does Reform Prevent Rebellion? Evidence From Russia's Emancipation of the Serfs
Reexamining Choice, Dependency And Command In The Tibetan Social System: 'Tax Appendages' And Other Landless Serfs