What are hadiths about betrayal? Examples of hadiths about betrayal…
According to Abu Hurayra (ra), the Prophet (saw) said, “The signs of a hypocrite are three: Whenever he speaks, he tells a lie; whenever he is entrusted with something, he proves dishonest; whenever he promises something, he breaks his promise.” (al-Bukhari, al-Wasaya, 8; Muslim, al-Iman, 107)
According to Abu Hurayra (ra), the Prophet (saw) said, “Fulfill the trust for the one who entrusted you, and do not cheat the one who cheated you.” (al-Tirmidhi, al-Buyuʿ, 38; Abu Daʾud, al-Buyuʿ, al-Ijara, 79)
According to Abu Hurayra (ra), the Prophet (saw) said, “Faith prevents betraying (a person to whom assurance has been given) and killing him. A believer would not deceive and kill (a person in his trust).” (Abu Daʾud, al-Jihad, 157)
According to Abu Hurayra (ra), the Messenger of Allah (saw) said, “The Muslim is the brother of the Muslim, he does not cheat him, lie to him, nor deceive him…” (al-Tirmidhi, al-Birr, 18)
Source: Presidency Of Religious Affairs The Turkey, Islam Through Hadiths