You should always get permission of the separated parent, AND/OR the court, in order to avoid being hit with an injunction. Even with permission of the other parent, you still need to go to court to adjust access rights, and possibly child support. See related link below.
Yes, legally.
Can you make Moonshine legally in South Carolina
And your question is? Termination of parental rights is a separate matter from custody (either legal and/or physical).
legally yes
Yes Diamond, Angie Stone daughter attended South Carolina State University in 2009
Yes. If you were married legally in SC then anywhere you go you are married legally.
yes.
In the state of South Carolina, you can legally leave your parents house without consent when you reach the age of majority. In South Carolina that is age 18.
If married, both parents. If single, the mother
An older sibling can take custody of younger sibling in South Carolina by applying for it if the current person taking care of them is abusing them or he/she is on drugs.
separated in any state of the country.
Legally no.