To betray (a person), usually a close friend or family member, for personal gain.
To sell one's commission.
To sell one's business (with a connotative emphasis on entirety and finality).
To sell all of a product that is in stock.
To abandon or betray one's supporters or principles to seek profit or other personal advantage.
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.