North Carolina Deed Of Trust

Both you and your friend to buy a house are not on the loan that the act and confidence in the State of North Carolina. Both names are on the deeds and trust.

Part of the answer depends on how your name appears on the deed. In North Carolina there are two ways of owning property jointly with someone you are not married, either as tenants in common or joint ownership by all.
The first line of each of you own half the house and could sell your "half" to whomever you want. Rare in residential properties, particularly if one of you is on the loan.
another, by all condominium is the same as if you were married when you bought the house - that is, each of you has a "half" of interest in the house, but this interest can be sold to a third party. In addition, if one of you should die, the other would automatically own the entire property without going through probate.
While it's not really answer your question, it seems that you need to sit down with a lawyer and your friend and discuss whether you should be "bought" and for how long, then you can sign a deed Transfer and releaed be the responsibility of ownership and the future, property taxes, water bills and sewer, etc.

NC Realtor

You certainly need to ask Atty.

In most places, if your name is on the act, and you lived there, it would require a court order to let you go.

It seems that the relationship is over, and threats are definitely make things toxic. It is time to go to a atty and get the "divorce" in progress unless the two you want advice.