She has the morals of an alley cat, but one with expensive tastes.
She'll tell a lie if it means saving face; she flout the law if she can get away with it. There are conditions though. Victim-less crimes only - insurance fraud, for instance 😉
She'd prefer not to get physical, but if her family were in danger, then she wouldn't rule it out.
After all, status is everything to her ...until a family secret brings her much closer to her brother. Close enough to want to be there when she's needed.