A person who has been trained for travelling in space.
ASTRONAUT
A person who is very good at sports or physical exercise, especially one who competes in organized events.
ATHLETE
A person who writes music:
COMPOSER
A person who imagines how something could be made and draws plans for it.
DESIGNER
A person who is in charge of a film or play and tells the actors how to play their parts.
DIRECTOR
Someone who travels to places where no one has ever been in order to find out what is there.
EXPLORER
A member of a government or law-making organization:
POLITICIAN
An expert who studies or works in one of the sciences:
SCIENTIST
