en_tn/rom/11/17.md

Paul is speaking to the Gentile believers as though they are one person.

and you, a wild olive branch

The pronoun "you," and the phrase "a wild olive branch," refer to the Gentile people who have accepted salvation through Jesus. (See: rc://en/ta/man/translate/figs-metaphor, rc://en/ta/man/translate/figs-you)

were grafted in among them

"were attached to the tree among the remaining branches"

the rich root of the olive tree

the promises of God (See: rc://en/ta/man/translate/figs-metaphor)

do not boast over the branches

"do not say you are better than the Jewish people God has rejected"

it is not you who supports the root, but the root that supports you

"you are blessed because of God; God is not blessed because of you" (See: rc://en/ta/man/translate/figs-metaphor)