Answer:
A confederate, if you are referring to 1860's America, was typically a southerner who felt their rights were being violated by an oppressive industrial north and decided to fight back. They were part of a short lived country called the Confederate States of America and they fought the Union in an attempt to gain their freedom to a better representing government.
A confederation, an association of sovereign states or communities.
or
United in a league; Allied by treaty; Engaged in a confederacy; Banded together; Allied