It was narrated from Sa'd that :
The Messenger of Allah [SAW] distributed (some spoils of war) and gave to some people but withheld from others. I said: O Messenger of Allah, you gave to so-and-so and so-and-so, and you withheld from so-and-so, who is a beliver. He said: Do not say 'a believer,' say 'a Muslim.' Ibn Shihab (one of the narrators) said: The Bedouins say: We believe .