A butcher is a person who sells meat
A singer is a person who sings songs.
A dancer is a person who dances.
A carpenter is a person who makes furniture.
A bus driver is a person who drives the bus.
A fireman is a person who puts out fires.
A shepherd is a person who looks after sheep.
A policeman is a person who makes people obey to the rules.
An office worker is a person who works in the office.
A juggler is a person who does tricks.
A football player is a person who plays football.