professional
adj//prɵˈfɛʃ(ə)nəl//professionell, yrkesperson, proffs, expert
Of, pertaining to, or in accordance with the (usually high) standards of a profession.
That is carried out for money, especially as a livelihood.
(by extension) Expert.
A person who belongs to a profession.
A person who earns their living from a specified activity.
An expert.