Can I file the I-130 form for a F-1 preference category relative who is already in the US?

Based on the facts you have presented filing an I-130 for someone who overstayed his authorized stay does very little if he can never adjust status...

If you're referring to the form ETA 9089 certification from the department of labor normally that is mailed to the registered employer or...

Will it trigger an I-751 interview if:

It's very difficult to answer question like yours. First of all, if you have not provided sufficient evidence with your filing most likely you will...

I would like to know if an immigrant who overstayed on his or her 6months stay can qualify for obama immigration amnesty.

Maybe.

Immigration: Can a company sign a contract + work with a legal immigrant without having that person's SSN?

There are a whole host of issues that your friend is facing. As my colleagues have said, she needs to contact an experienced immigration attorney...

I'm on student visa.Does getting married to a GC holder and filing I-130 while am student affect my OPT?

If properly completed, no. You should always discuss this matter in detail with an immigration attorney to be absolutely sure.

Is there an interview process for a 212(e) persecution waiver application?

Generally the application is submitted with filing of documentation. I would highly recommend that you seek immigration counsel to assist you to...

Someone sent in a fake letter to UCIS stating they were me and that I committed marriage fraud Immigration

This is very strange.

Change of ownership

Yes, there are a host of temporary work visas you may qualify for based on the facts you presented. You should work with an experienced business...

I applied for the I-821D and was approved. Then come the day to receive my worker permit the usps losses it. What can I do now?

You should call USCIS customer service. www.uscis.gov