Every Charwizard needs an apprentice, an eager understudy ready to learn all the secrets of magic! That ambition makes them perfect for taking care of all the menial tasks as quickly as possible so they might have time for lessons.
Cyneheard's still going to be sorting those books for a while, though. That should give Archibald plenty of time to think of an actual magic lesson to teach to the young Quilava.
Charizard and Quilava © Nintendo and Game Freak, Inc.