operator

1. A person or organisation that operates a device, system, service, etc. (countable, uncountable) · The drone crashed because of operator error.· The new bus operator has promised to improve the frequency of rural services.
2. A telecommunications facilitator whose job is to connect or otherwise assist callers. (countable, uncountable) · To get an international line, you used to have to go through the operator.· I kept getting "number unobtainable", so I called the operator to find out what was going on.
3. A member of a military special operations unit. (countable, uncountable)
4. A surgeon; one who performs medical operations. (countable, uncountable)
5. The game of Chinese whispers. (uncountable)
6. A person who is adept at making deals or getting results, especially one who uses cunning or dishonest methods. (countable, informal, uncountable)
7. A thief or charlatan. (countable, informal, slang, uncountable)
8. A major criminal. (countable, informal, slang, uncountable)

Plural operators