Can a relative other then the spouse who are U.S. citizen's sponsor my wife for her green card?

A US citizen child 21 years or older can do it. Other possible petitions will take years.

Can I run my own business while I'm having political asylum pending

Yes, you can, Don't forget that 150 days after you file your I-589 application you are eligible to file for employment authorization document...

How do I go about divorcing a foreign citizen wife before the second year green card interview?

You probably need both types of attorneys. You question contains inaccuracies, either factual or terminological. Star with an immigration lawyer...

Did you get confirmation that your I-589 application was filed? Did you get and then renew employment authorization? If the answers to these...

I'm undocumented DACA recipient, is there anyway I can get a student visa to let's say Canada? While living illegally here?

You need to consult a Canadian attorney specializing in Canadian Immigration law to determine whether you can get a Canadian student visa. With a...

Naturalization interview is scheduled after the Green Card expires

This should not affect your case. Your status does not expire, only the document expires.

Can i correct my answer to question # 17 in part 11 in n-400 application at interview date?

Bring a new page of N-400 with items 17 and 18 filled out correctly and give it to the interviewing officer. There should be no problem.

Can I file case against employer with DOL ? They gave me money according to LCA but not as promised, I have to recover 70,000$

This is not an immigration question. I recommend that you seek advice of a lawyer knowledgeable in the area of employment contract or labor law.

Is the sibling category going to close in the near future?

Previously there was talk of eliminating a few immigration categories, siblings among them. Nothing of the sort, however, is currently in the...

Can I file a request for review to CBP expedited removal after 2 years, concerning fraud/misinterpretation?

You may need to file a waiver petition. No review is possible. Hire a good lawyer to handle this situation - it's complicated.