Someone who drives a means of transport (taxi, car, bus, etc)
Driver
Someone who practices one of the fine arts.
Artist
Someone who sings in a music group.
Singer
Someone who makes bread and cakes.
Baker
Someone who writes books, articles, etc.
Author / Writer
Someone who work on a film playing a character. (Feminine and masculine)
Actor / actress
Someone who pilotes a plane.
Pilot
Someone who paints pictures and paintings.
Painter
Someone who takes photos.
Photographer
Someone who travels to space on a rocket.
Astronaut
Someone who takes care of your pets or other animals.
Veterinarian (Vet)
Someone who takes care of your teeth.
Dentist
Someone who works at a hospital and takes care of your health.
Nurse
Someone who serves you food and drinks in a café, a restaurant or a pub. Say the masculine and feminine forms.
Waiter and waitress
Someone who fights fires.
Firefighter
Someone who plays music.
Musician