Tavi would loathe the idea of being looked at as a god or saint of anything. Luckily for him, no race in the books is the type. That said, in the far future there's a chance he'll be an Arthurian-esque figure for Alera to at least some people-in-general.

Random guy #1: "Do you think it's bad enough that he'll come back?"
Random guy #2: "Well, we aren't being buried under [REDACTED, BECAUSE SPOILERS], so no. Probably not."