A firefighter is someone
A chef is someone
A vet is someone
An actor is someone
A farmer is someone
A dentist is someone
An astronaut is someone
A plumber is someone
A butcher is someone
A mechanic is someone
who repairs cars.
who plants and cultivates vegetables.
who travels in space.
who cooks in a restaurant.
who takes care of the animals.
who takes care of your teeth.
who extinguishes the flames.
who repairs pipes in your house.
who sells meat.
who performs on stage.