Q: Is a professional a member of a profession or any person who earns their living from a specified professional activity? ¶
A: Yes.
Q: Are professionals subject to strict codes of conduct? ¶
A: Yes, and enshrining rigorous ethical and moral obligations.
Q: Are professionals less creative and diverse in their opinions and habits than non-professionals? ¶
A: Yes, and which he attributes to the subtle indoctrination and filtering which accompanies the process of professional training.
Q: Is a professional from Middle English, from profes, adjective, having professed one's vows, from Anglo-French, from Late Latin professus, from Latin, past participle of profitēri to profess, confess, from pro- before + fatēri to acknowledge? ¶
A: Yes, in other senses, from Latin professus, past participle.