Would my ex who scammed me for green card be deported if I report this to immigration?

I am sorry this happened to you. I hope you soon find someone - if you are looking that is - who truly appreciates you for who you are and is not...

When would I be able to file for citizenship?

4 years and 9 months from when you became an LPR, so if I am not mistaken, you can apply in April 2015 provided you meet all the other eligibility...

How do I fill I 864 - Part 6, Q13?

Attach the most recent you have, then you can still update with the 2013 tax return once it becomes available.

Your employer's immigration attorney would be the one to ask any questions related to applications he/she filed on your behalf.

Portability of Labor Certification?

No.

What is the best way i could marry my jordanian boyfriend.Im usa citizen.

You can marry him in Jordan and then petition for him as your spouse. Alternatively, you can file a fiancé visa for him if he agrees to marry you...

If the ex-spouse has violated the I864 affidavit of support, is there legal action that can be taken against the sponsor?

When your ex signed the I-864 he promised to the government that you would not become a public charge and that if you did, he would be responsible...

Yes, as long as it does not violate the terms of your H1B which it shouldn't as long as the income derived and activities engaged in take place...

I'm a naturalized US citizen. On a uscis form if it asks for my citizenship/nationality, do I put USA or put my native country?

Now that you are a U.S. citizen you can put 'US' - if you have dual citizenship because you kept your other citizenship and this is recognized by...

Can an immigrant who overstayed his visa and married a permanent resident use a provisional waiver?

He'll have to wait until the spouse becomes a U.S. citizen to even be eligible for this waiver. There is no way to answer if he qualifies for any...