Here "look to" represents seeking help from him. Alternate translation: "Those who look at him for help" or "those who expect help only from him" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Here "their faces" refers to the people who look to Yahweh. It can also be stated in positive form. Alternate translation: "they are not ashamed" or "they are proud" (See: [[rc://en/ta/man/translate/figs-synecdoche]] and [[rc://en/ta/man/translate/figs-litotes]])