en_tn/psa/109/026.md

save me by your covenant faithfulness

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

May they know

The word "they" refers to David's accusers and the people who say bad things about him.

have done this

"have saved me"