Osa

"Young man, like you I know what rage feels like, and grief and helplessness... Life is suffering. It is hard. The world is cursed, but still you find reasons to keep living.
 * —Osa to Ashitaka"

Osa is a minor character in Princess Mononoke. He suffers from leprosy.

Looks
Osa has white bandage as mummy-like