Who is Mfumbe Taylor from The Bar Code Tattoo and what is their importance?

Mfumbe Taylor is Kayla's boyfriend. The couple has a telepathic link between them, which allows them to keep each other safe. Mfumbe's family is wealthy, and they want him to get the tattoo, so that he can go to a good college on a full scholarship. He refuses, stating that the tattoo is a form of enslavement.