if you're sure it's him in the ad, I'd soldier on and not let fear sabotage this longtime dream meet of yours......frankly, I'd think being older and wiser would make you - less - worried about the location, to be honest
you only live once!....take the normal precautions (be aware of your surroundings, lock up, don't leave valuables in the car, blah, blah.....) and do it!
http://www.reactiongifs.com/r/2014/01/do-it.gif