Last time he was online was today 6:37 AM, so he hasn't completely gone AWOL.
If you have already PM'd him multiple times I would first try mass-PMing team Death, so they can find a substitute.
If that still doesn't work you should contact the warmaster. Don't forget to save a copy of your PMs in your outbox in case you haven't activated that already.
Edit: You can do that by going on
My Messages --> Preferences (Change Settings) --> Save a copy of each personal message in my outbox by default.
