Fruitcakes will be tossed into jail, or the Persian Gulf.
Hard to land them in the Persian Gulf from the roof of a tall building.
Probably not. If something extreme were to happen to this sort of fans, it would cause Qatar too much trouble. Too many Western reporters are there and FIFA could very well cancel the whole World Cup. On the other hand, if they are too provocative, they will be detained and deported.
Or off of a roof. That’s a favorite method Muslims have for dealing with gays.