Psalm 138:7

Though I walk in the midst of trouble, you preserve me against the wrath of my enemies; you stretch out your hand, and your right hand delivers me.

This is a thanksgiving for deliverance from enemies. The Psalmist has gone to the Temple courts to offer thanks.

When we think of deliverance, it might be easy to want God to rid us of our enemies. God, being God, could do this, but it would violate one of God's great gifts to us - our free will. Humans would be robots programmed by God.

Our deliverance on our walk to Jerusalem is far better than a no-peace, forced upon us by taking away our freedom [however badly we use it]. Our deliverance is God's steadfast love and faithfulness, knowing God answers when we call, God increases the strength of our soul, and God regards the lowly but is distant from the haughty.

And, mostly, our deliverance is knowing we are not left to ourselves:

The Lord will fulfill his purpose for me; your steadfast love, O Lord, endures forever ...