You may be able to sue for defamation here, but unless you can prove damages, it would not be worth your time or money.

Can my landlord charge me the commission of a leasing agent to re-rent my apartment?

Unless this is listed in the lease agreement, no it would not be legal.

I have work at this place for 13 year and the closed down yesterday out of no we're and they didn't gives a notice

if the business is closing down, then it would probably not be worth filing a lawsuit, as you will not be able to collect any money.

Can someone sue me for a used car they purchased for me?

Yes, he can sue you. However, based on the facts you provided, it does not appear as if the purchaser would have a good claim.

What right do I have if tenant use personal residence as business?

You can then move to evict the tenant as they would be in breach of the rental agreement.

I was physically grabbed and thrown to the ground by a taxi driver which resulted in neck issues. Is Taxi service liable?

It would depend on whether the tax driver was an employee or independent contractor. A full consultation would be necessary to properly advise...

Probably not, but why not just apologize?

If a public entity owes me money, can I bring a small claims against them?

Yes, you can sue them in small claims court.

If I sue a corporation, do I also have to sue the DBA name?

Yes, you would name the defendant as "XYZ Corporation dba XXXX"

Do i need an employment attorney?

You may have a claim for sexual harassment, but a full consultation would be necessary to properly determine that. This is a very fact-specific...