Doesn't mean you have to call them a retard. He could've just reported him. If he's applying for moderator and doing this kind of stuff, then I don't know what he'll do next. ;p
You just got banned for death threats, and you're absolutely immature. Instead of cursing out or telling someone to end their life, you should calmly report them or tell them if they could leave you alone.
I did some research and what Frooes said was true. http://www.mineverse.com/threads/fxded-death-wishes-banned-wolfie.96832/