"The Messenger of Allah ﷺ forbade giving our slaves four names: Aflah (successful), Nafi' (beneficial), Rabah (profit) and Yasar(prosperity)."
نَهَى رَسُولُ اللَّهِ ﷺ أَنْ نُسَمِّيَ رَقِيقَنَا أَرْبَعَةَ أَسْمَاءٍ أَفْلَحُ وَنَافِعٌ وَرَبَاحٌ وَيَسَارٌ