Exactly what I said.

[ Oh. Does this guy not...have ghosts in their world? William quickly explains. ]

Ah, well, you know how ghosts are spirits of the dead who linger in the world of the living due to strong emotion? The goddess Gracefeel, whom I've sworn myself to, grants me the ability to help such spirits move on to the next life. By working her power through me, She grants the dead peace.