The policeman is the person who heps other people and arrests bad people
The fireman is the person whoputs off the fire.
The astonaut is the person who travels to another planet
The dentist is the person who mend the theet of other people
The football player is the prson who play football
The actor is the person who act in the theater
The singer is the person who sing the songs
The cook is the person who cook the food