How can I sue my ex- landlord, for not giving back deposit, lied 2 housing authority and I was kicked off the Section 8 program?

It seems strange that no one wants to help you - have you contacted attorneys in your area? Or are you looking for free representation? You can...

Tenant doing damage

You have to follow the normal eviction procedure.

How long does my landlord have for me to sign a new lease when my lease expires ?

There is no time limit as the other attorney indicated.

Can I be taken to court for late rent payments from 4 years ago even though landlord agreed to find sublet?

You can show up to court if she does pursue a lawsuit but that sum of money doesn't seem worth it.

Yes that is possible as long as you find an H-1B employer to sponsor you in 3 to 4 years.

I am green card holder , i have changed my address on usics website form ar-11 , i havent updated my new address on usps website

You should notify the post office of your address change so your mail doesn't get lost.

Will he be able to come with her ?and if it is not possible can he come and wait here while her mother applies in his behalf?

Are you a green card holder? As long as she isn't an immediate relative, dependents can be included.

He can simply reapply for another B visa with the embassy. However, are the two of you planning on getting married? Are you a U.S. citizen or...

How much chances I have to re-enter ?

It seems like you are planning on applying for a green card yourself, is that right? If so, you may have immigrant intent issues.

What should I do so that I can port i-485 and don't end up doing labor, I-140 all over again

Porting normally requires the I-485 to be pending for at least 180 days.