Do not worry they will not cut her hand.
If she is not Qatari she will be deported.
Or put in the jail for few days to let her know how bad her act is.
Hijab and Niqap does not make the Muslim women good or bad.
What makes Muslim women good is how they rais their children properly and how they take care of the husband, how they treat other people honestly and how open minded they are.