Sahih Al Bukhari – Book of One-fifth Of Booty To The Cause Of Allah (Khumus)

Volumn 004, Book 053, Hadith Number 410.
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Narated By Anas Radi-Allahu ‘anhu: The Prophet Sallallahu ‘Alaihi Wa ‘Aalehi Wa Sallam said, ”Every betrayer willhave a flag on the Day of Resurrection” One of the two sub-narrators said that the flag would be fixed, and the other said that it would be shown on the Day of Resurrection, so that the betrayer might be recognized by it.

Meanings of betray:

1.

   a. To give aid or information to an enemy of; commit treason    against: betray one’s country.

   b. To deliver into the hands of an enemy in violation of a trust or allegiance: betrayed Christ to the Romans.

2. To be false or disloyal to: betrayed their cause; betray one’s better nature.

3. To divulge in a breach of confidence: betray a secret.

4. To make known unintentionally: Her hollow laugh betrayed her contempt for the idea.

5. To reveal against one’s desire or will.

6. To lead astray; deceive. See Synonyms at deceive.