I get the eastern religions that reference karma but the part I'm interested in is from "it's not a stretch that Earth is a hell for those people, and we're sup

I get the eastern religions that reference karma but the part I'm interested in is from "it's not a stretch that Earth is a hell for those people, and we're supposed to be the demons that make life miserable for them" and because I haven't seen that expressed before. It would be nice to know the specific names that share that ideology of others being demons for some that are destined to experience a bad life this time around.