The phrase "sought favor" means to ask for help. Alternate translation: "I pleaded for you to help me" (See: [[rc://en/ta/man/translate/figs-metaphor]])
The writer is referring to Yahweh in third person. It can be stated in second person. Alternate translation: "from you, my Lord" (See: [[rc://en/ta/man/translate/figs-123person]])