He was a miner too, a long time ago.
Now that he is old, he no longer digs mines himself, but is still active in the cave world as a storyteller.
The world below the horizon was warm. He was wearing his former miner's uniform. Outside was a cloth dyed with a mixture of Lapis and emerald. There were metal ornaments on it. All of them were excavated by himself decades ago. He regarded them as his honor.