One of a group that acts in harmony; a person who is part of a conspiracy.
Part of a group that agree to do an unlawful or unethical act.
An informer, one who betrays his group.
A ball used in the sport of Quidditch.
A thief.
A nose.
A tiny morsel.
To inform on, especially in betrayal of others.
To contact or cooperate with the police for any reason.