throw to the wolves

feed, leave or throw to the wolves, dogs or lions

Meanings:
– allow somebody else to be criticized or attacked, often in order to protect one
– to sacrifice someone to save the rest
– to abandon someone to harm
– sacrifice someone, especially so as to save oneself

Examples:
1. Don't try to throw my brother to the wolves. I'll tell the fact about the entire issue.
2. When I got to know that they he is very dangerous person to whom I was dealing with, I felt I'd been thrown to the wolves.
3. If Jessica doesn't achieve as they expect, they'll throw her to the dogs.

Origin:
The first term comes from Aesop's fable about a nurse who threatens to throw her charge to the wolves if the child does not behave. [First half of 1900s]