Any instrument of self-punishment.
A voluntary self-imposed punishment for a sinful act or wrongdoing. It may be intended to serve as reparation for the act.
A sacrament in some Christian churches.
To impose penance; to punish.
A search for people believed to be using sorcery or harmful magic, typically in order to persecute or punish them.
A public or political campaign or investigation which smears a person or group.
An attempt to find and punish or harass a group of people perceived as a threat, usually on ideological or political grounds.
To perform a witch-hunt.