Harasser is a term used to describe someone who persistently torments, intimidates, or annoys another person through different means. Some synonyms for the word 'harasser' are bully, predator, molester, tormentor, stalker, abuser, persecutor, oppressor, aggressor, and troublemaker. A harasser's behavior can be emotional, physical, or sexual and can be experienced at home, workplace, or public places. These words describe someone who repeatedly causes another person discomfort, pain, or distress. It is essential to identify and address the perpetrator's behavior to ensure everyone feels secure, respected, and safe. Synonyms for 'harasser' can help to communicate the character of the perpetrator and create awareness about the seriousness of their behavior.