Who is Peculiars from Miss Peregrine's Home for Peculiar Children and what is their importance?

Peculiars are people born with special abilities. They are persecuted in the human world because they are different. In the world of hollowgasts and wights, they are hunted as food. Extremely young peculiars are taken in and cared for by ymbrynes like Miss Peregrine. She ensures that their lives, hidden away in one time loop or another are lived in relative safety and fulfillment.