Nouns

(n)butcher, meatmana retailer of meat
(n)butchera brutal indiscriminate murderer
(n)butcher, slaughterera person who slaughters or dresses meat for market
(n)bungler, blunderer, fumbler, bumbler, stumbler, sad sack, botcher, butcher, fuckupsomeone who makes mistakes because of incompetence

Verbs

(v)butcher, slaughterkill (animals) usually for food consumption“They slaughtered their only goat to survive the winter”