I'm playing a custom made main.
But from my memory of the trailers, of official DOS II art, and what I've seen of DOS II's story and world so far... seems to me that Ifan ben-Mezd would be the... "main main protagonist".
The old cliche from movies and stories in general, you know? It sounds a bit misogynist, but what we usually see is the human male "saving the world".
I have Lohse in my party, but don't have Ifan.
I have not finished the game yet.