betrayed juane becomes a monster slayer

juane arc is a student of beacon academy he was a friend of team rwby and npr. and one day juane saw cardin was about to get stab by a grim and he decide to save him. but cardin gave his gratitude for saving his life. soon later cardin befriend with juane and tell his secret. unknown to the two of them someone takes a video about juane transcript being a fake. everybody bullied him aside from crdl and ozpin and some of his teacher and miss goodwitch.