'Reward' in the Bible

suffering wrong [destined for punishment] as the wages of doing wrong. They count it a delight to revel in the daytime [living luxuriously]. They are stains and blemishes [on mankind], reveling in their deceptions even as they feast with you.

Abandoning the straight road [that is, the right way to live], they have gone astray; they have followed the way of [the false teacher] Balaam the son of Beor, who loved the reward of wickedness;