It depends. Generally the answer is yes. As answered before, however, if you are employed …
It would depend on the contract. If the contract is silent as to grounds …
Appeal the decision to deny your benefits. Most companies give benefits after the appeal. …
You can always represent yourself. It is only unlawful for you to represent someone …
If what he is saying is not true, then you can sue for defamation.
Are you a lawyer?