Can ending H-1B employment affect Diversity-based pending I-485?

No. An EAD based on your I-485 is not limited an a specific employer.

I need a lawyer for.immigration

If you are not eligible to apply for adjustment of status in the US, hardship to your wife must be evaluated. The waiver will be based on her. ...

I do not see this as an immigration question. He may be facing criminal charges. How about consulting with a criminal defense attorney before...

Can i make an infopass without informing him?

Yes. However, if you have any legal issues in your case, it may not be advisable. Good luck.

F1 student on OPT through October 2012 marrying a US citizen. Do I need to leave the US to sort out my visas or can I stay here?

You can stay and file for residency after your marriage. Consult with an experienced immigration attorney.

How much time should i wait before making an infopass for my AOS case?

I agree with Mr. Joseph.

You cannot change status if you are out of status. Consult with an experienced immigration attorney.

B1 TO F1 I PAID $290/- CHANAGE OF STATUS, AGAIN I WANT TO PAY SEVIS FEE

To change status you have to be in the US. If you leave, you will have to apply for the visa at the US consulate.

B1 TO F1 I PAID $290/- CHANAGE OF STATUS, AGAIN I WANT TO PAY SEVIS FEE

To change status you have to be in the US. If you leave, you will have to apply for the visa at the US consulate.

It is possible for my parents to get a pardon?

Unless your grandparents are US citizens or legal residents, you have to wait 10 years from 2008.