وَمِنَ النَّاسِ مَنْ يَشْرِي نَفْسَهُ ابْتِغَاءَ مَرْضَاتِ اللَّهِ ۗ وَاللَّهُ رَءُوفٌ بِالْعِبَادِ 207
And of the people is he who sells himself, seeking means to the approval of Allah . And Allah is kind to [His] servants.