Related Clues:

• Person owned for work
• Caliban in 'The Tempest,' e.g
• Put money aside to cover student work
• Work day and night
• Frederic Douglass was one
• One emancipated by emancipation
• Frederick Douglass was one
• Skid Row "___ to the Grind"
• Aida or Androcles
• Spartacus, e.g
• Person 'owned' by another
• Really toil
• "___ to the Grind"
• Galley oarsman, e.g
• "Amistad" extra