To almost the entirety of the school, Livius exists as this angelic darling, a trusted confidant who will listen to your worries on the school steps and sit with you in the lunchroom when no one else will. He's pooular enough to hang out with the cool kids, but not so popular that he's judged when he spends time with the nerds, and it's simply viewed as a mark of his sympathetic nature when he consoles a "dork" or a "dweeb". "How cute," they say. "He takes pity on them."
No one notices that weeks - months - even years later, rumors come out about the people who exist in his vortex. So-and-so slept with her best friend's boyfriend, the local jock steals girl's underwear. One month, the most popular girl in school becomes the campus laughingstock overnight because word on the street is she likes interpretive dance, and one of the emo kids skips school for a week because it becomes common knowledge she idolizes Taylor Swift. Livius is the man who knows everything because you told it to him while crying in a bathroom - every fear, ever worry - and then he throws you to the high school rumor mill to be shredded to bits.
Almost certainly uses his charming facade to get others to do his homework for him.