Woah, what? I dunno about pages but I coulda sworn I saw knight being listed as active before. I liked it because I liked the contrast among the beta kid siblings - active class Dave and Jade (who were the ones to had to save their sibs from moon death) and passive class John and Rose. And I thought Page’s opposite class was Thief for some reason. This is all just theories right?
Thief’s counterpart is canonically Rogue, just as Prince and Bard are canonically confirmed. All the other pairings are speculation, but Seers and Mages both have to do with getting knowledge and visions, for example. I believe those are the only two canonically confirmed pairings. We also know Seers are Passive, Witches are Active, and I believe Sylphs being Passive is also confirmed. But the rest is all theories, which is why everyone has their own views on what Classes are counterparts and which ones are Active/Passive.