IPA: //ˈraʊstər//
KK: /ˈraʊstər/
A person who performs various tasks, often in a rough or unskilled manner, typically in a labor-intensive job.
The rouster worked hard to set up the equipment for the concert.
The word 'rouster' originates from the Old French 'roustir', meaning to rouse or awaken. It refers to someone who wakes others up, particularly in a work or military context.
Think of someone who 'rouses' or 'awakens' others — that's why a 'rouster' is someone who wakes people up.