Mindfire
Istar
Put off by it? No
However, it may bring rise to certain questions. Why is this person in this setting? Where are they from (assuming only one or a few)?
Further, I'd expect that presence, if there is only a small number of this minority in a land that seems foreign to them, to have some significance to the plot.
Makes sense. But what if there's not just a few of them and the story treats that as completely normal?

Inkling
Sage