butcher

nouns

a retailer of meat
a brutal indiscriminate murderer
is a type of (narrower)
a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
a person who slaughters or dresses meat for market
someone who makes mistakes because of incompetence
is derived from

verbs

kill (animals) usually for food consumption
"They slaughtered their only goat to survive the winter"
is derived from
is derived from
is derived from