It's really something, that this chapter manages to show readers that even people defrauding you can help you with solid advice as long as it's still in their interests, and the fatality of parental affection.
About the first point, Ushijuma does help her. Yet, he was the one who brought her to this situation. And he also had this answer ready all along. I mean, it's really grey morals here. If you're being held hostage, but your abductor helps you out with something, what does that mean? Is this help? But he's doing horrible things to you. And such, and such. Complexity of people.