Wiktionary
n. One who is employed, or otherwise engaged in an activity, on a full-time basis.
Usage examples of "full-timer".
Here was a full-timer, counterpart of those chess hustlers who used to sit around anonymously pretending to be no good until someone was fool enough to stake money on a game.
I'm not sure how many full-timers are interning with the Montero Brothers Circus.
Western Peds had always suffered from town-gown tension, but the full-timers and the physicians out in “the real world” had always managed to achieve a grudging symbiosis.
We have a number of part-time students, like Rachel, and a good portion of full-timers on a fast track during summer session," she continued as she flipped through the book.
Frankly, I don’t expect my full-timers to do much work, this time of year.