Outside of the ordinarily understood meaning of the word as defined in all Enlgish language dictionaries and used in everyday speech, the word "operator" has no particular specific legal meaning in-and-of itself.
It may be used to describe certain activities and define who or what the adjective refers to in the context of its usage. (e.g.: The 'operator' of a business enterprise. The 'operator' of a particular piece of machinery or vehicle. Etc. Etc. It is also widely used in 'slang' to connote a person who may, in certain areas of endeavor, may be a 'smooth and practiced' individual.
It is used in ham radio terms as a term for the wife of the ham operator.
Clergymen are men of the clergy, as in church men, and it's not a legal term.
it means it is legal to have a foot
in this section only
Praecipe is a legal term for an order.
Order to Show Cause
legal term-protects you in a contract.
At first glance
Radio and Weapons Operator, a term coined in Vietnam, I believe for the 'back seater' in the mighty Phantom.
73 is an accepted term to indicate signing off or end of transmission.
Findings and Order After Hearing acr()
Legal term- served with papers.