Ḥudhayfah ibn al-Yamān, the secret bearer of the prophet ﷺ, a great Sahabah of the prophet ﷺ who also knew all the fitnahs, signs of the end of times and names of the hypocrites. He had three qualities that particularly impressed the Prophet ﷺ : his unique intelligence, quick-wittedness, and his ability to keep a secret even under persistent questioning.