Intimidator is a term that refers to someone who instills fear or apprehension in others. There are various synonyms for the word intimidator such as bully, tormentor, oppressor, aggressor, and harasser. A bully is someone who uses power or strength to harm or intimidate others. A tormentor is someone who causes continuous physical or emotional suffering to someone else. An oppressor is a person who uses their power to suppress or dominate others. An aggressor is someone who initiates an attack or provokes a conflict. A harasser is someone who repeatedly makes unwanted or threatening advances towards someone else. All of these synonyms highlight the negative impact that these individuals can have on others.