professional
/pɹəˈfɛʃənəl/
noun
Meaning
A person who belongs to a profession
A person who earns their living from a specified activity
A reputation known by name
An expert.
adjective
Meaning
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.