Someone who takes care of your teeth.
Dentist
Someone who travels to space on a rocket.
Astronaut
Someone who fixes cars and other means of transport.
Mechanic
Someone who drives a means of transport (taxi, car, bus, etc)
Driver
Someone who fights fires.
Firefighter
Someone who takes care of your pets or other animals.
Veterinarian (Vet)
Someone who paints pictures and paintings.
Painter
Someone who works at a hospital and takes care of your health.
Nurse
Someone who pilotes a plane.
Pilot
Someone who works on the fields, drives a tractor and also has cattle.
Farmer