Sakhr bin Al-'Ailah (RAA) narrated that The Messenger of Allah (ﷺ) said:
"If the people (polytheists) accept Islam they will protect their blood and property? Related by Abu Dawud. (ID)
English reference (ID): Book 11, Hadith 1325 (ID)
Arabic reference (ID): Book 11, Hadith 1299 (ID)