Ainsworth hadn't forgotten Caspian's actions of courting death before. Even before he had transmigrated to this world, from the memories he had, Caspian and his lackeys would always provoke him.
After all, compared to Mira and Elyndra, who were better than Caspian, Caspian believed that Ainsworth, while better than him, was much easier to mess with due to his lack of a strong background.
Caspian dared not offend Mira and Elyndra, but Ainsworth, who came from a middle-class family, was an easy target. Moreover, he was jealous that Mira and Elyndra had recognized Ainsworth, and other students also respected Ainsworth, yet he never received the same treatment.
If Ainsworth knew Caspian's mindset, he would have already cursed Caspian to look at the mirror and see why no one respected him.