‏فضائل الصحابة‏ : Hadeeth No:5948 Anas reported that the people of Yemen came to Allaah's Messenger (sallAllaahu alayhi wa sallam) and said: Send with us a person who should teach us Sunnah and al-Islam, whereupon he (the Prophet) caught hold of the hand of Ubaida and said: He is a man of trust of this Umma....

‏الطهارة : Hadeeth No:467 Salim, the freed slave of Shaddad b. al-Had said: I was in the presence of 'A'isha, and then narrated on her authority a hadith like this from the Prophet (way sallAllaahu alayhi wa sallam)....