1) Cinema employee 2) Skilled worker 3) Theater worker 4) Theatrical occupation 5) Trained worker 1) Screener 
A projectionist is a person who operates a movie projector. In the strict sense of the term this means any film projector and therefore could include someone who operates the projector in a show . In common usage the term is generally understood to describe a paid employee of a movie theater. They are also known as `operators`. ==Historical back.....
[n] - the person who operates the projector in a movie house
noun the person who operates the projector in a movie house
an operator of a motion-picture or slide projector. · a person who makes projections, esp. a cartographer.