Expiator is a word that refers to someone who seeks to atone or make amends for a wrongdoing or sin. For those who are looking for synonyms for this word, they may consider related terms such as penitent, remorseful, contrite, apologetic, or repentant. Other possible alternatives may include words such as absolver, redeeming, purgative, corrective, or corrective. These words all have similar meanings in that they suggest a desire to right or rectify a wrong. By using these synonyms, speakers and writers can add variety and nuance to their language, as well as convey a range of emotions and intentions associated with making amends.