en_tn_lite_do_not_use/jer/04/02.md

As Yahweh lives

"As surely as Yahweh is alive." The people use this expression to show that what they say next is certainly true. This is a way of making a solemn promise. Alternate translation: "I solemnly swear" (See: rc://en/ta/man/jit/figs-idiom)

the nations will bless themselves in him

Here "the nations" is a metonym for people of other nations. The word "him" refers to Yahweh. Since Yahweh is speaking, it can also be translated as "me." Alternate translation: "people of other nations will bless themselves in me" (See: rc://en/ta/man/jit/figs-metonymy and rc://en/ta/man/jit/figs-123person)

the nations will bless themselves in him

Here "bless themselves in him" is a metonym for asking Yahweh to bless them. Alternate translation: "the people of the nations will ask Yahweh to bless them" (See: rc://en/ta/man/jit/figs-metonymy)

in him they will glory

The word "him" refers to Yahweh. Since Yahweh is speaking, "him" can also be translated as "me." Alternate translation: "they will boast in me" or "they will praise me" (See: rc://en/ta/man/jit/figs-123person)