Maybe the one with the most followers … and, well, yeah, I also remember that bully in school who used to say “C’mon ’ere, I’ll teach you.” And I saw a few times how he “taught”. Still not a teacher in my book. Had quite a following, often gleeful with schadenfreude. Still not a teacher.
BUT yeah, I honestly appreciate a few of his real teaching videos (i.e. lessons), this here is just about the attitude of creeping in under camouflage and … s a n d b a g g i n g … but no, for me it’s rather about supporting this by giving him special privileges while at the same time deceiving unsuspecting OGS users by making them think it’s a ranked game etc., etc. … PARDON ME?
No, please … let’s think in some other direction.
For example (just pipe dreaming) something like … y’all know video games? “Boss“ levels? Where you meet a special super-strong meanie?
So… maybe …
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Make some deal with Dwyrin,
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implement a new feature: Boss Level.
– a new game challenge option: “Allow Boss Level”, and the same “Allow Boss Level” option in player preferences
– so that the stranger whose game challenge a user accepts, or who accepts their challenge, could be Dwyrin in disguise but they may not realize this during the game. -
Communicate this w/ banners and forum announcement and all, make it transparent for users, i.e. tell them clearly what this means: that their opponent may be “The Boss”.
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Make it optional, and make it disabled per default, i.e. only with informed consent
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Give Dwyrin a new random username for every of his sprees.
Otherwise, IMHO, we make ourselves accomplices in a setup that could cause a faithful OGS user embarrassment and/or annoyance, and I do not want to be an accomplice in this.
Maybe I have misunderstood some of the suggestions I’ve read further above, in which case just forget all that you’ve just read 
Sorry for the perhaps somewhat chaotic text, it’s late, and I jumped back and forth while editing and thus may have
Off-Topic sidenote re: “game challenge”
BTW I’d still prefer the word “game invitation”.