Is Uncle Andrew Based on Anyone in C S Lewis's World?

Lewis seems to be saying that we have a propensity to be overwhelmed by evil, and once we are trapped, we can't break free. He leaves it a hanging in the airwe were not told what the deplorable word is. And maybe that's because he doesn't really want to go there. I think that he's trying to emphasize there is a back story that's all to do with the abuse of power. But certainly, you know, many people reading itl will actually chuckle a little bit. Thit thi sky is not a good and is jadis the witch, meant to just be a kind of representation of evil in general? Or again, has has le