Who is Hugh from Ghost Girl: The True Story of a Child in Peril and the Teacher Who Saved Her and what is their importance?

Hugh is Torey's former boyfriend. She visits him several times during her stay in Pecking, their distance seems to reignite their affection for one another. Although he is by trade an exterminator, it is Hugh who offers Torey the best suggestions about what might be happening to Jadie. He recognizes the encircled cross symbol as one that he has seen in an occult bookstore. Hugh later takes Torey to this bookstore and introduces her to Brenda, the witch who runs the store.