Operator

noun

'ɑpə,reɪtər

Noun

an agent that operates some apparatus or machine
“the operator of the switchboard”
Similar:Manipulator
Type of:Cause
someone who owns or operates a business
“who is the operator of this franchise?”
Type of:Businessman
a shrewd or unscrupulous person who knows how to circumvent difficulties
Similar:Hustler
Type of:OpportunistSelf-seeker
a speculator who trades aggressively on stock or commodity markets
Type of:SpeculatorPlunger
(mathematics) a symbol or function representing a mathematical operation
Type of:FunctionMappingMap