4 if I have repaid my ally with evil or without cause have robbed my foe—

Read Psalm 7:4 Using Other Translations

If I have rewarded evil unto him that was at peace with me; (yea, I have delivered him that without cause is mine enemy:)
if I have repaid my friend with evil or plundered my enemy without cause,
if I have betrayed a friend or plundered my enemy without cause,