"Listen up, troops! Chapter 7 of Psalms is a plea for justice from the psalmist. He's asking God to take action against those who have wronged him. He's asking for his enemies to be punished for their misdeeds. He's also asking for God to protect him from their evil plans. That's the gist of it. The psalmist is relying on God to bring justice where it is due. Now drop down and give me twenty!"