The word "operator" refers to a person or a thing that does or controls a specific task or function. It can also describe someone who provides a service or manages a particular system or machine. Full definition
The reasons were the lack of experienced operators of forest machines and the bad quality of forest roads. (sciencedaily.com)
There's plenty of tour operators who provide amazing outdoor experiences in this country, so you don't need to worry about being completely alone in the wild. (ordinarytraveler.com)
Seeking the job of machine operator in a growing manufacturing company where 7 years of experience handling machines in the manufacturing industry, will be needed in achieving maximum output in production. (jobdescriptionandresumeexamples.com)