I've never seen an adult say anything like that before, but as you have, I suppose you won't mind if I say that I much preferred the practical lessons.
I wouldn't really know about such people. I don't simply use ambient magic, I am magical. Or it could be a magical person from a place that doesn't use the term 'wizard', naturally, if that was your objection.
I am from a country called Britain, in the year 1849. This is decidedly not the realm of existence where I belong, and neither was the last place I was in. My cousin and I were investigating naturally-occurring magical gateways in that place, trying to determine patterns.