To inform or notify of a fault; to rebuke gently or kindly, but seriously; to tell off.
To advise against wrongdoing; to caution; to warn against danger or an offense.
To instruct or direct.
To inform on, especially in betrayal of others.
To contact or cooperate with the police for any reason.
A ball used in the sport of Quidditch.
A thief.
An informer, one who betrays his group.
A nose.
A tiny morsel.