1 Samuel 30:11

And they found an Egyptian in the field, and brought him to David, and gave him bread, and he did eat; and they made him drink water;

Cross-reference

Deuteronomy 23:7 commands not to abhor Egyptians — David's men here give bread and water to an Egyptian, acting in line with that command.

Proverbs 25:21 instructs feeding an enemy — here David's men give bread and water to an Egyptian, who later helps them, illustrating the principle.

Romans 12:20 quotes Proverbs 25:21 about feeding an enemy — David's men here feed and give drink to an Egyptian, who becomes an ally.