IMO---Invoking fear and intimidation in that manner towards me is considered a threat at my house. The first thing I would look for would be a weapon. If he has a weapon, then I would consider it an immediate threat to me and I will take action. If I do not see a weapon and he is still coming toward me, I will tell him to STOP and ask him "what do you want"? If he continues without any regard I will consider it a threat and I would do what I have to do to protect myself and my home. This is what I would probably do. I know people will have a different opinion and I respect that, so I ask for respect for mine as well.