en_tn/rom/15/12.md

root of Jesse

Jesse was the physical father of King David. AT: "descendant of Jesse" (See: rc://en/ta/man/translate/figs-metonymy)

The Gentiles will have confidence in him

Here "him" refers to the descendant of Jesse, the Messiah. Those who are not Jews will also trust him to fulfill his promises. AT: "The people who are not Jews can trust him to do what he has promised" (See: rc://en/ta/man/translate/figs-explicit)