bludgeoneer
/ˈblʌdʒiˌniər/Definitions
1. noun
A person who bludgeons or clubs others, especially as a form of punishment or execution.
“The medieval executioner was a feared bludgeoneer in the village.”
2. verb
To bludgeon or club someone, especially as a form of punishment or execution.
“The villagers bludgeoneered the outlaws, bringing them to justice.”