What exactly is a contempt of court? Can it violate probation?

it should not affect your probation.

Can I be charged in any NJ court of law for talking and threatening while sleeping at night?

did this actually happen, or are you speculating?

I and my wife established LLC. I have 50% of share and my wife has 50% of share. I want to sell my 50% to my wife.

It depends on many factors. You do not post enough facts to properly answer.

Yes you can.

Do I need a lawyer or just a public defender? Should I plead guilty or not guilty? Any additional info is great.

Private lawyer.

Can I receive compensatory relief if I've paid 100K+ in rental fees during the past six years for a property that had no C/O?

Most likely...NO.

I just came out of jail and have no money ,job or saving. I am unable to pay restitution. What do I do?

Talk to your Probation Officer!

Do I have to pay creditors while on social security disability?

Ms. Joy has given you good advise!

What a the requirements for Expungements in NJ? Is there a NJ Law Statute I can look up regarding this?

As set forth above, it depends on how many convictions you have.

I am facing 2c:29-1a and 2c:29-2a. 39:4:50. Hit and run car accident and then Eluding police. Other MV charges await.

In addition to the other posts, If your eluding involved a MV violation, which it almost certainly did, it will be a second degree crime. That is a...