Butcher

Noun

 * 1) A person who prepares and sells meat (and sometimes also slaughters the animals).
 * 2) A brutal or indiscriminate killer.
 * 3) (Cockney rhyming slang, via butcher's hook) A look.
 * 4) A person who sells candy, drinks, etc. in theatres, trains, circuses, etc. (old, informal).

Verb

 * 1)  To slaughter animals and prepare meat for market.
 * 2)  To kill brutally.
 * 3)  To ruin something, often to the point of defamation.

Adjectives for Butcher
benevolent; inexorable; unfeeling; latent; mortal; skilled.

Adverbs for Butcher
indiscriminately; dexterously; inexorably; unfeelingly; mortally; professionally; methodically; heartlessly; cruelly; wantonly;atrociously.

Thesaurus
hack, halve, hammer, hardwareman, hatchet man, head-hunter, hew, hit man, homicidal maniac, homicide, incise, ironmonger, jeweler, jigsaw, kill, killer, lance, lay waste, lineman, liquidate, liquor merchant, loot, louse up, lumber, man-eater, man-killer, manslayer, mar, massacre, massacrer, matador, maul, mess up, miscue, muddle, muff, mug, murder, murder wholesale, murderer, newsdealer, pare, perfumer, pesticide, pillage, play havoc with, poison, poisoner, porter, poulterer, prune, rage, railroad man, railroader, ramp, rampage, rant, rape, rave, redcap, rend, riot, ripper, rive, roar, ruin, sack, saddler, savage, saw, scissor, screw up, sever, slash, slaughter, slaughterer, slay, slay en masse, slayer, slice, slip, slit, smoke agent, snip, sow chaos, split, spoil, stationer, stationmaster, stoker, storm, strangler, stumble, sunder, switchman, tear, tear around, terrorize, thug, tobacconist, torpedo, trainboy, trainman, trainmaster, trigger man, trip, vandalize, vintner, violate, whittle, wine merchant, wreck, yardman, yardmaster, amputate, annihilate, annihilator, apache, assassin, assassinator, assault, attack, ax, baggage man, bakehead, baker, barbarize, batter, be all thumbs, bisect, bloodletter, bloodshedder, blunder, blunder away, blunder into, blunder on, blunder upon, boggle, bollix up, bookdealer, bookseller, botch, brakeman, brakie, bravo, brutalize, bumble, bungle, bungler, burker, burn, button man, cannibal, carry on, carve, chandler, chop, cleave, clothing merchant, commit a gaffe, commit carnage, commit genocide, commit mass murder, conductor, confectioner, cut, cut away, cut in two, cut off, cutthroat, decimate, depopulate, desperado, destroy, destroyer, dichotomize, disembowel, dismember, dispatcher, dissever, draper, drysalter, eradicator, excise, executioner, exterminate, exterminator, faux pas, fireman, fishmonger, fishwife, fissure, florist, flounder, footplate man, footwear merchant, foul up, fruiterer, fuck up, fumble, furnisher, furrier, garroter, gash, go on, gorilla, greengrocer, grocer, groceryman, guard, gun, gunman, gunsel, haberdasher,

Etymology
From, from boucher:, from  bouchier:, from bouc: