The crossword solution for the term 'MALIGNING SORT' is 'ABUSER'. An abuser is someone who engages in abusive behavior, which is defined as any behavior that is intended to control, intimidate, subjugate, demean, punish, or isolate another person. Abusers may use physical, verbal, emotional, or psychological tactics to gain power and control over their victims. Abusive behavior can have serious consequences, including physical and psychological harm, financial hardship, and even death.