[Throwaway123456]

Their reason is because he is from another school, even though as far as the team knows, there is no policy about not allowing people from outside the school district (yet we have home schooled kids). The group of people who don't want this student to join is because he is associated with a member on the other alliance (the one tempted to leave the team). This is difficult to explain without revealing too much, but the other group of people have no reason to not let the member join, so that's one of the issues and reasons to leave.