Call the police. Not later. not tomorrow. NOW. As in, while you are reading this post. Don't use 911.Use the office number. say you are being stalked and fear for your well being. At the very least he is already guilty of harassment.

Do buy mace. do collect evidence in the form of pictures. Do not confront him at all costs. For the time being do not go out alone.

There are too many stories in the news about abductions and rapes. Don't be one of those stories