In Scene 2, we understand that Wagner is very loyal & protective over Faustus, but also understand he doesn't like being treated inferiorly so plays the scholars for fools
In Scene 2, we understand that the two scholars reveal a personal sense of intellectual superiority by addressing Faustus's servant Wagner as "sirrah", an address reserved for inferiors and servants
In Scene 2, we understand that Faustus has a respected status at the University, where knowledge and mental agility are prized (also exposed his ignorance and naivety)