Surah Al-Baqarah 2:207
وَمِنَ ٱلنَّاسِ مَن يَشْرِى نَفْسَهُ ٱبْتِغَآءَ مَرْضَاتِ ٱللَّهِ ۗ وَٱللَّهُ رَءُوفٌۢ بِٱلْعِبَادِ
And of the people is he who sells himself, seeking means to the approval of Allāh. And Allāh is Kind to [His] servants.
Translation: Saheeh International
Tafsir
But there are other men who sell themselves expend themselves in obedience to God desiring God’s pleasure this was Suhayb b. Sinān al-Rūmī who emigrated to Medina when the idolaters began to persecute him leaving them all his property; and God is Gentle with His servants for He guides them to what pleases Him.
Excerpt from Tafsir al-Jalalayn, commentary on 2:207, via Quran.com. The reader has the full commentary and 9 more tafsirs.