Cases of word usage

1) a professional singer, actor, dancer etc (artiste)

2) a person who gets help or advice from any professional person (client)

3) a place for higher or professional education; (a group of teachers and students forming) part of a university (college)

4) a charge or payment for professional advice or services, e.g. from doctors, lawyers etc (fee)

5) an animal, vehicle etc moving very fast; a successful professional person (flyer)

6) the state of being important; a high social or professional position (importance)

7) a professional rider in horse-races (jockey)

8) a professional person who works in journalism (journalist)

9) of, for, done by, people who are not members of the clergy; not professional (especially referring to law or medicine); to put (something) on, over etc something (lay)

10) (an instance of) doing wrong; neglect of duty (especially by a professional person such as a doctor or lawyer) (malpractice)