You can be friends with some of them. But don’t mix religions.
So unless you stay at a western hotel, as I’m sure you know, you really can’t find much alcohol over there. So from time to time (in my youth) I would cross over to Israel, load a suitcase full of booze, and bring it back. That was permissible. I didn’t sell it of course. But I would “give” it as gifts. Not formally, since that would be an insult. I would just leave it somewhere and say “I left something, if you want it, you can have it. If not give it to someone who does or throw it away”. Made many friends that way.
I still recall, decades later, hearing their drunken laughter at night from down the street.
The friends I made would even introduce me to the hot western girls new in town ;-)
Many moons ago, single, young...