Rise up

This is a command to stand. This phrase refers to beginning to act on something. AT: "Take action" (See: rc://en/ta/man/translate/figs-idiom)

for the sake of your covenant faithfulness

The abstract noun "faithfulness" can be translated as an adjective. AT: "to show that you are faithful to your covenant" (See: rc://en/ta/man/translate/figs-abstractnouns)