[header] How to deal with a man that will not take no for answer [title] Explain that you are not interested. [step] With everyone everywhere on a smart phone, tablet, or laptop, technology is fast becoming one of the primary ways humans communicate. Social media networks, online forums, and dating websites and chat-rooms are common stomping grounds for creeps who won't take no for an answer. 
Perhaps you were previously friendly with another user and he said or did something that made you uncomfortable. You have a right to tell him to back off.