Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) narrates that the Messenger of Allah (peace and blessings be upon him) said: "Do you know who will be the first to enter Paradise?" The Companions said: Allah and His Messenger know best. He (peace and blessings be upon him) said: "The poor among the Muhajirun, through whom hardships are warded off from others. One of them dies with his need still in his chest, unable to fulfil it. The angels will say: 'Our Lord, we are Your angels, Your treasurers and the dwellers of Your heavens; do not admit them into Paradise before us.' Allah will say: 'These are My servants who do not associate anything with Me; hardships were warded off through them; one of them would die with his need still in his chest, unable to fulfil it.' At that, the angels will enter upon them from every gate: 'Peace be upon you for what you patiently endured; how excellent is the final home!' [Surah al-Ra'd: 24]."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13748