Do i have a change to stop being a undocumented person ?

You have to talk to an attorney in a consultation and go over your immigration history, thats the only way we can know if there is something to be...

Can i sponsor my friend give him job in my house

No, you cannot sponsor your friend unless you can employ them and pay him/her a full salary as domestic worker which usually means $30K+ a year.

Can I extend my Au pair programme for another year, if I Got married in the first year?

If you can get an extension of your J1, then do it. Read your AuPair agreement and see if that says anything about disclosing marriage.

I want to switch to F-1 visa from L2 visa, does the nine months of CPT start from after the visa switch?

The school manages the OPT and CPT programs, they are the best ppl to ask.

I am a green card holder can i sponsor some one from another country to come the usa?

Either hire an attorney or review USCIS.gov website. As a greencard holder your spouse will have to wait sometime before immigrating to the US. ...

UK Immigration : Right to abode for a widow of UK Citizen ?

We are US immigration lawyers here, so we don't know about UK immigration law. Find a UK immigration lawyer to help.

You answered the question yourself, the answer is YES.

As an EB1 holder in the process of adjustment of status (I-485) is that Ok if I do not work until I receive my EAD?

You cannot work if you don't have an EAD. So, of course, its fine. It is taking 4 months from filing to receive an EAD based on pending...

Does green-card application takes current citizenship into account or country of birth?

Priority dates are set based on your place of birth, not citizenship. You would be subject to the Indian queue.

H1B transfer to two different employers at same time?

Which one do you want to work for? Tell them they need to file and if they commit then you go with that one. I don't think its necessary to file...