The title is judge or justice depending on the context.
The Supreme Court of North Carolina.
A member of the US Supreme Court is called a Justice. There is one Chief Justice and eight Associate Justices on the Court.
They have the title of Justice of the Supreme Court, apart from one who is the President of the Supreme Court, and another who is the Deputy President of the Supreme Court.
Associate Justice is the formal title for any US Supreme Court justice who is not the Chief Justice. There are eight Associate Justices and one Chief Justice on the Supreme Court.
a Justice
The proper title is Chief Justice of the United States; however, most people refer to the office as Chief Justice of the Supreme Court because he (or she) presides over the Supreme Court of the United States (often called US Supreme Court).
life time
The president (executive branch) nominates judges to the Supreme Court. If the Congress approves the nomination, the nominee becomes a member of the Supreme Court. So, the Supreme Court depends on the executive for its members.
Justice
hairline
until they resign
The eight remaining judges on the United States Supreme Court are called Associate Justices.