someone who travels to places where no one has ever been in order to find out what is there

someone who flies an aircraft

someone who designs and makes new things

someone who paints pictures

someone who entertains people by telling jokes

someone who dances either as a job or for pleasure

someone whose job is writing books, stories, articles, etc

someone whose job is to design, build, or repair machines, engines, roads, bridges, etc

someone who studies science or works in science

someone who is very good at a sport and who competes with others in organized events

someone who works in politics, especially a member of the government

someone who plays a musical instrument, often as a job