One dissenter was Albert Pierrepoint, the retired public executioner, who had hanged some 450 persons in his day.
From the time.com
Out of curiosity, is it to be understood, from what you write, that you would like to be a volunteer public executioner?
From the guardian.co.uk
But realising that the colony needed a permanent hangman, the governor pardoned him on the condition he become the public executioner.
From the smh.com.au
One of the first slaves to be freed was Louis Congo, who, in 1725, received freedom, land, and compensation in exchange for becoming the public executioner of New Orleans.
From the en.wikipedia.org
The executioner finished him off with spear thrusts from below the ribcage, then the body was left to hang for a time as a public display before disposal.