Castigators are individuals who criticize or reprimand others for their actions or behavior. Synonyms for the word "castigators" include censurer, disciplinarian, rebuker, reprover, scolder, and admonisher. A censurer is someone who expresses strong disapproval or condemnation. A disciplinarian is a person who enforces discipline and maintains order. A rebuker is someone who reproaches or scolds others for their misdeeds. A reprover is one who admonishes or reprimands another for their actions. A scolder is someone who criticizes or finds fault with others, while an admonisher is one who warns or advises others against wrongdoing. All these terms are synonyms for castigators and are often used to describe individuals who hold others accountable for their actions.