Remarkably similar to Hindu black and white, Shiva/Kali concepts. I do have to question what Victor Hugo has to do with modern Wicca. I have read that it stems for rather too rich and discontented late Victorian thrill seekers. I can not remember all the story but Esmeralda was the good person refusing the cardinals advances.
http://en.wikipedia.org/wiki/Image:A...and_Boline.JPG
The story
http://en.wikipedia.org/wiki/Esmeralda_(The_Hunchback_of_Notre_Dame)
I must find and the painting "Scape goat" to add to this goat symbolism.
http://www.liverpoolmuseums.org.uk/o.../scapegoat.asp
Esmeralda like the scape goat is a vehicle for the sins of rather naughty men, especially those hidden behind cloth.