en_tn/psa/103/021.md

all his hosts

"all his armies." Here "hosts" refers to the living beings that God created in the heavens. Possible meanings are that they are called hosts 1) because they fight as armies. Alternate Translation: "all his angel armies" or 2) because there are so many of them, just as armies have many soldiers. Alternate translation: "all his multitude of angels" (See: rc://en/ta/man/translate/figs-metaphor)

carry out his will

This is an idiom meaning to "do his will." Alternate translation: "do his will" (See: rc://en/ta/man/translate/figs-idiom)