[action]
Those are pretty good sources -- assuming all of them are from the same world. But even if he does want that, there has to be a better approach than attacking him.
[it's half a bizarre family loyalty; as strained as their relationship is, he knows Seishirou would have his back if it was needed. and half of it is concern for Kamui]
You know what will happen if you hurt him. [and it'll be worse if you kill him]