expert vs computer guru

Other hyponyms of expert include ace, adept, champion, genius, hotshot, maven, mavin, sensation, star, superstar, virtuoso, whiz, whizz, wiz, wizard, agronomist, all-rounder, all arounder, analyst, analyst, anatomist, antiquarian, antiquary, archaist, arbiter, supreme authority, archer, bowman, authority, black belt, cabalist, kabbalist, calculator, computer, estimator, figurer, reckoner, climatologist, computer expert, cosmetologist, efficiency engineer, efficiency expert, exegete, genealogist, geographer, horticulturist, plantsman, investigator, jurist, legal expert, lapidarist, lapidary, logician, logistician, mnemonist, mythologist, nerd, commentator, observer, out-and-outer, parliamentarian, past master, prosthetist, pteridologist, guide, pathfinder, scout, shark, shooter, shot, specialiser, specialist, specializer, talent, technician, technocrat, healer, therapist, old-timer, old hand, old stager, oldtimer, stager, veteran, warhorse.