trained worker vs power worker

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, crew member, 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, 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.