repenter
Repenter is a noun in English that refers to a person who repents, or expresses remorse for past actions. In contemporary usage the term is rare; more common alternatives include penitent or contrite person.
Etymology and usage: The word is formed by adding the agent suffix -er to the verb repent.
Conceptual role: In religious and moral discourse, repentance involves a change of mind and a turning away
Relation to related terms: The standard term for this concept is penitent. Repentance refers to the act