A Pagan is one of the Country Folk. In it's modern form, it refers to a person who follows an older religion. They are connected to the natural world and it's rythyms. A world populated by independent deities of the ancient and modern pantheons. There are no Black Witches or White Witches any more than there are Black Mechanics or White Mechanics.
Witches work with the natural flow of energy in the world.
Some are wise, some are not so wise. Some are enlightened, some are very human. Or auto mechanics. While not a pagan site, this is an incomparable source of information about a wide variety of religions. They also present balanced and non-biased information on many topics relating to spirit, religion and politics.