As mentioned, it depends on when your sister filed the petition.

As mentioned, an employer controls where you work and is required to provide reasonable accommodations if you qualify for such. An interactive...

A pending divorce will not cancel your green card, especially since you have a pending I751. If anything, consult with an immigration attorney.

As mentioned, this will depend on whether you have time remaining on your H1B and if you have not already exhausted the years allowed.

What you just mentioned requires proper legal analysis of your situation and case. Find an immigration attorney asap.

On what basis did your employer petition ? And do you plan on going to school while working?

Which did he receive first? If the B1/B2, did they deface it or cross it out? Is it still valid?

As mentioned, start with a consultation. Also, have you considered expunging those charges from your record? That is something you can look into.

I agree with my colleagues and I will add that the beauty of platforms like AVVO is that it gives you a pool of lawyers to pull from.

As mentioned, a free consult can be illuminating for both yourself and the attorney you are seeking to help you.