People have given you excellent factual advice.
Also if you come here and the family finds out there is the chance that the brothers will just bury you in the desert - and that is the truth.
You are asking her to give up her family and her country.
If we knew which family she was from we could give you more precise answers.
You are also very wrong to say that 'Qatar supresses its women shamelessly'. She has far more work opportunities here than in Australia.