"Why should we be in this world if we have to do it alone? A helping paw is what every animal needs."
Even as a small pup, Roca has always been there to help out a fellow wolf in times of need. Even if a wolf doesn't need help, Roca is extremely persistent on aiding them with even the smallest of inconveniences, never feeling satisfied until another wolf is happy.
This must be why his father put him in charge of being another hunter for The Hounds, he's already naturally helpful, why waste that opportunity?