One who slays; a killer; a murderer; a destroyer of life.
The definition of a butcher is someone who kills animals or cuts up the bodies of dead animals to be sold as meat.
One that kills:
A hit man, especially being in a some organization.
A man skilled in the use of a gun
In the Bible, the eldest son of Adam and Eve, who murdered his brother Abel out of jealousy and was condemned to be a fugitive.
Find another word for assassin. In this page you can discover 30 synonyms, antonyms, idiomatic expressions, and related words for assassin, like: murderer, slayer, butcher, bloodshedder, killer, executioner, gunman, hit-man, bravo, triggerman and cain.