Executionist vs. Executioner — What's the Difference?

(historical) A supporter of executionism.

An executioner, also known as a hangman or headsman, is an official who carries out a sentence of capital punishment on a legally condemned person.

One who executes a condemned person.

An official person who carries out the capital punishment of a criminal.

(archaic) Executor.

A hit man, especially being in some organization.

One who executes; an executer.

One who puts to death in conformity to legal warrant, as a hangman.

An official who inflicts capital punishment in pursuit of a warrant