I totally forgot about Ingtar and mats aiel girlfriend. I also think that with ingtar and verin being dark friends it adds to the human factor. Not every darkfriend is pure evil and there is no pure good people also.
* First of all if you haven't finished the books there are probably going to be spoilers So I am curious, If you had to pick a character that you were disapointed to find out was a dark friend. Mine was probably Sheriam, I really liked her in the beginning. Verin would also be one but I dont think she really counted. She was more like a good guy pretending to be a bad guy pretending to be a good guy.