An amateur, someone who dabbles in a field out of casual interest rather than as a profession or serious interest.
A person with a general but superficial interest in any art or a branch of knowledge.
Pertaining to or like a dilettante.
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
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.