Retributionist is a term commonly used to describe someone who seeks punishment for a wrongdoing or offense. However, there are several synonyms for retributionist, including avenger, punisher, retaliator, revenger, and vindicator. These terms emphasize the idea of seeking justice or revenge for a perceived wrong. A revenger or retaliator may seek to get even for a specific incident, while an avenger or vindicator may have a broader sense of justice and seek to punish any wrongdoing they come across. These synonyms highlight the idea of seeking justice through punishment, and the importance many place on ensuring that wrongs are righted and justice is served.