>> even though it's very clear I'm scared stiff off the guy.
It may not be clear to him. Make sure if this happens again you tell him straight out that you are not interested in a relationship, not interested in being his friend, and wish to not see him at all anymore. If you know where you might see him, take someone with you if you are afraid of him. Or get someone to talk to him for you.
Good luck with this, you don't need a creep (whether he has good intentions or not) interfering with your other problems. Hopefully he will get the message and lay off.
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-- The world is what we make of it --
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