What is define waif like?

A waif is a person, usually a child or young woman, who is homeless, neglected, and often has no resources or support. They may be abandoned or orphaned, and may struggle to survive without the help of others. Waifs are vulnerable and often suffer from a lack of basic necessities such as food, clothing, and shelter. The term waif tends to carry a sense of sadness and pity, and is often used in reference to characters in literature or film who represent this type of hardship.