Hmm...so if the salvation route has already been taken (and I don't want to seem like a hack) maybe she could just hate Goldcloaks? Because...oh, I don't know...hmm...
WAIT! I've got it. *snaps fingers*
She hates Goldcloaks because her brother decided to give up his family to be bound to a Kaa! And she thinks that they made him do it, even though he did it willingly. So then...she'd be against any group with a Goldcloak in it, I guess.
Any problems with that story that I didn't notice while spinning it?