Yes, certainly populists can be dangerous to all of those groups, as can elites. Political violence is certainly not limited to populists: indeed their contribution is small in historical terms.
This is why you should be ashamed: that use of the word "can."
Populists always target vulnerable people. They're the easiest groups to direct public anger without fear of reprisal against themselves.
> indeed their contribution is small in historical terms.
You then follow up with this gem. This, again, is to completely ignore multiple genocides that populists directly caused. Simple example: The Holocaust.