A person who repairs or makes amends for something; a person who brings about or makes reparation.
Origin
Mid 16th century; earliest use found in Thomas Cooper (c1517–1594), theologian and bishop of Winchester. From classical Latin reparātor person who renews or restores, in post-classical Latin also with specifically reference to Christ as redeemer from reparāt-, past participial stem of reparāre + -or.