So I have a couple of builds in mind.
Why don't we just post up a link to our builds, and let the rest of the faction vote on it?
Having hard rules instead of guidelines I'm not all for...
For example, I'm going to make a Silver Knight. Are these protectors of Her Royal Chestiness? Of course! Are they faith based? Not that I can tell.
Other options I was considering: The Firekeeper or one of the two Phantoms that appear after you kill Gwynevere. None are faith based really.
Last option would be a full-out maiden, but honestly I wouldn't know how to make her combat effective. Maybe just coop in Anor Londo and use healing/miracles with substandard gear to give invaders a run for their money. 1 on 1 probably would suck though.