Board Thread:General Discussion/@comment-4554525-20130918212334/@comment-4839682-20130921221534

http://en.wikipedia.org/wiki/Tokenism

"Classically, token characters have some reduced capacity compared to the other characters and may have bland or inoffensive personalities so as to not be accused of stereotyping negative traits. Alternatively, their differences may be overemphasized or made "exotic" and glamorous."

The show has already been accused of trying to force diversity with Lancelot.