professional
n. countablen. a person who has a job that needs special training or a high level of education. You use this to describe someone who is very good at their work and follows high standards.
n. a person engaged or qualified in a particular profession. Often implies a high standard of ethics, competence, and specialized knowledge.
You should ask a professional for advice on your taxes.
The hospital employs a wide range of healthcare professionals, including surgeons, nurses, and physical therapists.
While many hobbyists produce high-quality work, the project requires a seasoned professional who can navigate the complex legal requirements of international trade.
From Middle English professhennalle, professhynalle; equivalent to profession + -al.
Commonly used in the plural form to refer to a collective group within an industry.