en_tn_condensed/psa/109/021.md

deal kindly with me

This is a request for Yahweh to treat him kindly. AT: "treat me kindly" (See: rc://en/ta/man/translate/figs-idiom)

your name's sake

"the sake of your reputation"

Because your covenant faithfulness is good

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