A
A person who teaches students
teacher
A person who helps sick people
doctor/nurse
A person who sings songs
singer
A person who takes pictures
photographer
A person who cares for teeth
dentist
A person who cooks food
chef
A person who drives airplanes
pilot
A person who acts in movies
actor/actress
A person who fixes cars
mechanic
A person who works in space
astronaut
A person who does experiments
scientist
A person who helps people with mental health
therapist
A person who writes books
author/writer
A person who takes care of pets
vet/pet sitter
A person who builds houses
construction worker/architect/engineer
A person who cuts hair
hairdresser/barber