The word "tortfeasor" refers to someone who commits a tort, which is a wrongful act that causes harm or damages to another person. There are several synonyms to the term "tortfeasor," such as wrongdoer, offender, perpetrator, assailant, and culprit. These words share a commonality in that they all refer to someone who has acted unlawfully, usually causing harm to others. Additionally, there are specific labels used in legal contexts, such as defendant, respondent, or litigant, which refer to someone being sued in a civil case. Regardless of the label or term used, those who commit torts and cause harm to others are held accountable for their actions in accordance with the law.