Odarin is a loyal apprentice to a witch. He wants to learn, he wants to be powerful like his master.

She found him on the streets and took him in teaching him how to control his powers rather than letting them consume him.

He wants to impress her and make her proud of him but he still makes mistakes, he's still learning. So he's thankful that she's patient enough to continue teaching him even during her busiest days protecting the city. When people attack her, he's protecting her with ease.