Related Clues:

• Works like a dog
• Doesn't do the job easily
• Peon cousins
• They're bound to land
• Feudal farmers
• Eddies
• Works a double shift, e.g.
• Some Russians until the Emancipation Manifesto of 1861
• Works very hard
• Landless laborers
• Ancient underclass
• Feudal servants
• Medieval workers
• Indentured ones
• Working class?