Hi Shims.
just read ur concerns here, i knew of somebody who would want to work there as a nanny, but are u really willing to help her process her visa and everything, or she's got to pay you back once hired? I could get in touch with her, and I knew this lady for she once worked with me, she can be trusted and more into children, for she got 2 almost teen-ager kids.
I hope you can make it clear about work contract and visa expenditures, if she's gonna pay it back in exchange for the job contract or it would be for free as long as she'll gonna be wroking with your family?
