Due to his young age, Gabriel seems to be very focused on becoming the perfect teacher anyone could ask for. This manifests as over-eagerness to help and going into such depth about the subject of the day that it can leave even the most studious person dazed. Still, he tries his best, and nobody can fault him for that. Now, if only his cousin would start taking him seriously, he'd perhaps earn even half the respect Roselia commands...
His lessons tend to be hard to follow, and should be only listened in moderation.
He is Roselia's cousin, and the older of the two.