THESAURUS
duffer
arab, blockhead, blunderer, boob, bungler, butterfingers, clumsy, dimwit, dolt, dope, dub, dumbbell, foozler, foul-up, fumble-fist, goof, goofball, goofer, hawker, hick, higgler, huckster, idiot, ignoramus, incompetent, lummox, lump, monger, muff, muffer, numskull, oaf, ox, roadman, rube, slob, stumblebum, stumblebunny, vendor
ROGET THESAURUS
duffer
Bungler
N
bungler, blunderer, blunderhead, marplot, fumbler, lubber,
duffer, dauber, stick, bad hand, poor hand, poor shot, butterfingers, no conjurer, flat, muff, slow coach, looby, lubber, swab, clod, yokel, awkward squad, blanc-bec, galoot, land lubber, fresh water sailor, fair weather sailor, horse marine, fish out of water, ass in lion's skin, jackdaw in peacock's feathers, quack, lord of misrule, sloven, slattern, trapes, amateur, novice, greenhorn (learner), il n'a pas invente' la poudre, he will never set the Thames on fire, acierta errando, aliquis in omnibus nullus in singulis.
Thief
N
thief, robber, homo triumliterarum, pilferer, rifler, filcher, plagiarist, spoiler, depredator, pillager, marauder, harpy, shark, land shark, falcon, mosstrooper, bushranger, Bedouin, brigand, freebooter, bandit, thug, dacoit, pirate, corsair, viking, Paul Jones, buccaneer, buccanier, piqueerer, pickeerer, rover, ranger, privateer, filibuster, rapparee, wrecker, picaroon, smuggler, poacher, abductor, badger, bunko man, cattle thief, chor, contrabandist, crook, hawk, holdup man, hold-up, jackleg, kidnaper, rustler, cattle rustler, sandbagger, sea king, skin, sneak thief, spieler, strong-arm man, highwayman, Dick Turpin, Claude Duval, Macheath, footpad, sturdy beggar, cut purse, pick purse, pickpocket, light-fingered gentry, sharper, card sharper, skittle sharper, thimblerigger, rook, Greek, blackleg, leg, welsher, defaulter, Autolycus, Jeremy Diddler, Robert Macaire, artful dodger, trickster, swell mob, chevalier d'industrie, shoplifter, swindler, peculator, forger, coiner, fence, receiver of stolen goods,
duffer, smasher, burglar, housebreaker, cracksman, magsman, Bill Sikes, Jack Sheppard, Jonathan Wild, gang, gang of thieves, theft ring, organized crime, mafia, the Sicilian Mafia, the mob, la cosa nostra, Dillinger, Al Capone, Robin Hood.