en_tn/lev/21/04.md

they must be separate

"they must be holy" or "they must be set apart"

not disgrace the name of their God

AT: "not disgrace God's reputation" or "not disgrace their God" (See: rc://en/ta/man/translate/figs-metonymy)

the "food" of their God

"the food offering to their God." Yahweh does not actually eat these offerings. It means the priests burnt these offering on Yahweh's altar.