[quote=Imperfectionist]
If he's NOT, I don't think it matters. He isn't going to be fighting anyone or going on missions anyway, so having a Meister is more of a formality.
[/quote]

Yeah, he's just starting education with it due to Lord Death's approval and supervision.
But, when he graduates, and becomes stronger, he can make his mind up about having a Meister or remaining Autonomous.