The Messenger of Allah ﷺ said: Beware of the wages of a distributor of booty (qusamah). We asked: What is qusamah (wages of a distributor)? He said: It means a thing which is shared by the people, and then it is reduced. (Using translation from Abū Dāʾūd 2783)
أَخْبَرَهُ أَنَّ رَسُولَ اللهِ ﷺ قَالَ إِيَّاكُمْ وَالْقُسَامَةَ قَالَ فَقُلْنَا وَمَا الْقُسَامَةُ؟ قَالَ الشَّيْءُ يَكُونُ بَيْنَ النَّاسِ ثُمَّ يُنْتَقَصُ