It was narrated from 'Umar bin Khattab that the Messenger of Allah (ﷺ) said: The importer is blessed with provision and the hoarder is cursed.
It was narrated from Ma'mar bin 'Abdullah bin Nadlah that the Messenger of Allah (ﷺ) said: No one hoards but a sinner. '
It was narrated that 'Umar bin Khattab said: I heard the Messenger of Allah (ﷺ) say: 'Whoever hoards food (and keeps it from) the Muslims, Allah will afflict him with leprosy and bankruptcy. '