That is because there is no specific character development or purpose or use of the character. His purpose and use is to be the evil that would get beaten by the main character, in this case Beowulf.
Deprived of life; no longer.
Oblivious - Not aware of what is going on around you.
The behavior of the students ,the schedule, the rules that the students are not follow and what !akes the reputation of the school grows down