Flagellator is a term used to describe someone who inflicts punishment or pain upon themselves or others through whipping or lashing. Some synonyms for flagellator include scourger, lash enthusiast, self-punisher, and whipper. Another term often used in conjunction with flagellator is a masochist, someone who enjoys receiving pain or humiliation as a form of pleasure. Other related terms might include sadist, someone who enjoys inflicting pain on others, or ascetic, someone who practices self-denial and self-discipline as a way of achieving enlightenment or spiritual insight. Ultimately, all of these terms describe individuals who engage in forms of physical or mental suffering, often for religious or philosophical reasons.