Psalm 123 offers us a posture and a plea. The poster is that of a servant. The plea is for mercy.
Psalm 123 is written to remind us as God’s people, that when we’re being bullied or kicked around, we can either lash out or cry out. Lashing out usually brings immediate relief, but doesn’t usually bring the lasting solution that crying out does. When we cry out, we are crying out to God to intervene. God’s people have a long history of being bullied. Think Egypt, Babylon, Persia, Rome. In all of these cases, and in so many cases today throughout the world, God’s people are under someone’s thumb. It’s in theses cases we’re reminded that we are postured as a servant, crying out to our master to intervene, for our good and his glory.