The Prophet ﷺ said, "Procrastination (delay) in paying debts by a wealthy man is injustice. So, if your debt is transferred from your debtor to a rich debtor, you should agree."  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ مَطْلُ الْغَنِيِّ ظُلْمٌ فَإِذَا أُتْبِعَ أَحَدُكُمْ عَلَى مَلِيٍّ فَلْيَتْبَعْ