Involving a full amount of time spent on some activity, especially a job.
Spending a full amount of time.
That is carried out for money, especially as a livelihood.
Expert.
Of, pertaining to, or in accordance with the (usually high) standards of a profession.
A person who belongs to a profession
A reputation known by name
A prostitute
An expert
One of four categories of sociologist propounded by Horowitz: a sociologist who is actively concerned with promoting the profession of sociology.
A person who earns their living from a specified activity