Jiruo

About
Jiruo is a moon whistle Delver that serves as a teacher for apprentice delvers from the Belchero Orphanage in the town of Ooth. While he works as an instructor for the children, he's also largely responsible for their upbringing and well-being. His students refer to him as "Leader".

He was the disciple of the legendary white whistle Lyza "the annihilator", and the later entrusted him with the safety of her daughter Riko following her miraculous birth.