Kharija bin Zaid bin Thabit said that Zaid bin Thabit said, "The Prophet (ﷺ) ordered me to learn the writing of the Jews. I even wrote letters for the Prophet (ﷺ) (to the Jews) and also read their letters when they wrote to him." And 'Umar said in the presence of 'Ali, 'Abdur-Rahman, and 'Uthman, "What is this woman saying?" (the woman was non-Arab) 'Abdur-Rahman bin Hatib said
"She is informing you about her companion who has committed illegal sexual intercourse with her." Abu Jamra said, "I was an interpreter between Ibn 'Abbas and the people." Some people said, "A ruler should have two interpreters."
Narrated `Abdullah bin `Abbas
That Abu Sufyan bin Harb told him that Heraclius had called him along with the members of a Quraish caravan and then said to his interpreter, "Tell them that I want to ask this (Abu Sufyan) a question, and if he tries to tell me a lie, they should contradict him." Then Abu Sufyan mentioned the whole narration and said that Heraclius said to the inter Peter, "Say to him (Abu Sufyan), 'If what you say is true, then he (the Prophet) will take over the place underneath my two feet.' "