en_tn/rom/01/05.md

we have received grace and apostleship

God has given Paul the gift of being an apostle. You can translate this in an active form. Alternate translation: "God caused me to be an apostle. This is a special privilege" (See: rc://en/ta/man/translate/figs-activepassive)

for obedience of faith among all the nations, for the sake of his name

Paul uses the word "name" as a metonym to refer to Jesus. Alternate translation: "in order to teach all nations to obey because of their faith in him" (See: rc://en/ta/man/translate/figs-metonymy)