1 Samuel 30:17-18

30:17 But David struck them down from twilight until the following evening. None of them escaped, with the exception of four hundred young men who got away on camels. 30:18 David retrieved everything the Amalekites had taken; he also rescued his two wives.

Jude 1:16

1:16 These people are grumblers and fault-finders who go wherever their desires lead them, and they give bombastic speeches, enchanting folks for their own gain.