professional
US /prəˈfeʃ.ən.əl/
UK /prəˈfeʃ.ən.əl/

1.
1.
a person engaged in a specified activity as their main paid occupation rather than as a pastime
:
•
He's a golf professional.
•
She decided to become a tennis professional.
a person engaged in a specified activity as their main paid occupation rather than as a pastime