It's really dependable. If you're a fit mother, your mother shouldn't need to.
If you are married to the mother, no. Then you share everything naturally. But if you have a child and you are separated or not married to the mother, and you do not have custody of the children, you have to pay child support
The father does, since the mother is paying her share towards the children in the form of child support.
yes
You have the right to file for a change of custody with the court. You will have to present convincing evidence that the child's mother is unfit to retain custody of the child. Frankly: It is a stiff burden of proof to overcome to convince the court to remove a child from its mother's custody.
Even though the mother is underage she still has custody of her child as long as she does not do something to get custody taken away from her
Boyfriend or husband (unless he is the biological father) has no legal right to the child at all. The mother can try to go for full custody though.
lost the child to whom?
When married you have equal rights to the child.
How often is the father awarded custody of the child over the mother in North Carolina?
When the mother and father share the decision making when it comes to the children is called a joint custody. In this set up, both parents can have access to the records of the child or children and can live with one or the other according custody schedule ordered by the court.
the father gets the custody of the child if the mother dies
You have to get a lawyer and file for custody. There are some agencies that can provide free legal counsel, contact your local child protection service.