I dunno. I kinda think Orin and Durge are playing the same role in the story. Only, Durge got amnesia and doesn't remember it. I think if you play Durge instead of Tav or another Origin character, there is no Orin, because Durge is the third of the Absolute's Chosen. And it's kind of a Darth Revan plot twist. And that's why Sven encourages players to not play Durge first. The plot twist goes harder if you've met Orin before.
I guess we'll see at release but I doubt it.
