[Machine] If it is less than what is due to him, then he should be fully refunded. If it is more, then he is trustworthy. This is not a well-known issue with Omar, and the narrations about it differ from Ali ibn Abi Talib, who reported it.
إِنْ كَانَ أَقَلَّ مِمَّا فِيهِ يَرُدُّ عَلَيْهِ تَمَامَ حَقِّهِ وَإِنْ كَانَ أَكْثَرَ فَهُوَ أَمِينٌ هَذَا لَيْسَ بِمَشْهُورٍ عَنْ عُمَرَ وَاخْتَلَفَتِ الرِّوَايَاتُ فِيهِ عَنْ عَلِيِّ بْنِ أَبِي طَالِبٍ فَرُوِيَ عَنْهُ