Action I can take against car dealer not working in good faith.

You should talk to a consumer lawyer to get help, though it isn't clear if you have a legal case here.

What can I do about a separation where my x fiancé has all my personal belongings in her house & won’t let me get them?

Call the police to help you get your things. I would not count on exhuming the dog, though.

How can I get a lifetime restraining order against me dropped?

This will be very tricky to do on your own specially since she works in the courts. You will need an attorney, I think.

Could I be sued for libel by a school or a teacher?

Yes, this could be an issue but you can possibly get around it. You should consult with an attorney and give details before you publish.

I was not notified of a continuation date to appear in court and was issued a default and judgment for the collection agency?

It depends. For example: If it was continued, then you would have had an original court date. If so, was it continued in writing or in person? ...

Can i do something about this teacher?

If you want to pursue this, you can file a formal written complaint; you may have better luck if you use a lawyer to help you.

Can I sue for a refund/buyout tenancy?

"She's saying that because I'm a closet drunk she's done with me, and no longer wants to rent to me. I say I'm not a drunk so I'm suing for...

Yes; the state can take that money if you owe it to the state.

This is a very difficult situation and you should immediately hire an attorney.

Can I move out when I am 15?

I'm sorry. Your parents have custody of you until you are 18 unless you are emancipated, or unless someone else assumes your guardianship. You...