trained worker vs crew member

Other hyponyms of trained worker include aquanaut, oceanaut, armorer, armourer, aeronaut, aviator, flier, flyer, baker, bread maker, balloonist, butcher, slaughterer, calligrapher, calligraphist, coiner, minter, moneyer, cook, artificer, artisan, craftsman, journeyman, crewman, cutter, dental hygienist, draftsman, draftsperson, draughtsman, dyer, editor, editor in chief, electrician, lineman, linesman, engraver, aesthetician, esthetician, fisher, fisherman, founder, framer, fumigator, galvaniser, galvanizer, gilder, grip, harpooneer, harpooner, hunter, huntsman, indexer, laminator, lobsterman, lockkeeper, lockman, lockmaster, fixer, mender, repairer, funeral director, funeral undertaker, mortician, undertaker, mounter, functionary, official, oilman, lens maker, optician, painter, perfecter, phlebotomist, plaiter, plasterer, plater, power-station worker, power worker, pressman, printer, projectionist, refiner, preserver, refinisher, renovator, restorer, riveter, rivetter, router, crewman, sailor, man, military man, military personnel, serviceman, shearer, skinner, metalworker, smith, smith, technician, turner, turtler, voicer, vulcaniser, vulcanizer, wall-paperer, wallpaperer, wireman, wirer, tuner.