If she can do a bit of secretarial work, best thing would be to get a job. Pay is not too good as my daughter tried to find a job there (some 7 years ago) and the pay for ladies seems to assume that someone else is paying the rent! But this would definitely be the best route.
As long as you are reasonably discrete, there should not be too much of the problem otherwise, so don't worry too much in that respect - UAE (especially DXB) is not like some of the other countries around there!
Good luck! (and get accomodation with a spare bedroom so other Mid-East PPRuNers can visit and save the hundred quid a night hotel bills
