Related Clues:
- Ancient galley crew
- Emancipation Proclamation subject
- Herculean efforts
- Galley group
- Feats for Hercules
- Herculean dozen
- Hercules' dozen
- Humans owned by humans
- See 9 across
- They're bound to have a wash in the ship
- Slogs away
- Sweats
- Dwells on to excess
- Exerts oneself
- Unwilling workers who wash aboard ship