If she is willing to disown you over something helpful like you are trying to do then screw her.
Seriously, whether it be friends or family, if they are so intolerant toward someone they supposedly love, why keep them in your life? I have cut those alyssa milano types out of my life and I have been better for it.
No...I was going to Disown HER...
“...if they are so intolerant toward someone they supposedly love...”
...they just might be a cult member. Typical cultist behavior.