roust·a·bout (roust-uh-bout | ˈraʊstəˌbaʊt)
American/Americanism

noun
1) a wharf laborer or deck hand, as on the Mississippi River 
2) an unskilled laborer who lives by odd jobs
3) a circus laborer who helps in setting up and taking down the tents and in caring for the animals, equipment, and grounds

Submitted by rantsandscififantasy.

(Source: dictionary.reference.com)