I don’t disagree, but I think GP means someone who is not a political appointee, like the non-partisan national security officers whose role is basically exactly what GP discussed. I don’t know if it’s usual for NSC officers to be included in these kinds of chats that are ostensibly just for coordinating secure meetings between principals though - maybe it should be
Sure, the equivilant of a professional court reporter with a standards enforcing role ... but that was never ever going to be a thing on a non SCIF casual signal group setup to gossip and swap fire emoji's outside of the official chain of defence command ...