Question is why his teacher look like goblin
Comment by Kidneystealer on Goblin Slayer: Side Story Year One - Chapter 27
4 Replies
Not look like but maybe he is hobgoblin
He's a rhea (hobbit). The power of the One Ring corrupted his mind and twisted his body. 
@Frog you mean golem (smeagle) and im pretty sure the race of the hobbit book's smeagle is in the golem specis
@Kidneystealer He's Bilbo if Bilbo lived in the GS world.