The majority of the people here don't even know what the difference is between normal exchanges and decentral exchanges.
Probably, but he could google it and learn about when he is interested in safe trading methods.
OP; you're best option will be localbitcoins or perhaps that you can find some one here in this forum where you can trade face 2 face in a crowded area.
He was asking for software to avoid middleman, not face to face trading. Face 2 face trades even in crowed areas could be very dangerous.