by Michael Bradley
In Romans 15, Paul addresses the inclusion of Gentiles within the framework of Israel’s promises. He writes:
“Christ has become a servant to the circumcision on behalf of the truth of God, to confirm the promises given to the fathers, and for the Gentiles to glorify God for His mercy…” (Romans 15:8–9)
This opening statement is critical. Paul does not present a brand-new, universal program detached from Israel. Instead, he explicitly grounds everything in “the promises given to the fathers.” The Gentiles in view are therefore being discussed in relation to Israel’s covenantal promises, not outside of them.
As N. T. Wright explains, “Paul’s argument is that the inclusion of the Gentiles is the fulfillment of Israel’s scriptures, not a departure from them.” (Paul and the Faithfulness of God, p. 1233)
Paul then supports his point by quoting multiple Old Testament passages:
2 Samuel 22:50 / Psalm 18:49
Deuteronomy 32:43
Psalm 117:1
Isaiah 11:10
Each of these texts speaks of Gentiles in relation to Israel, not as an unrelated global mass, but as participants within Israel’s story. They describe the nations rejoicing with Israel, praising God alongside His people, or coming under the rule of the Root of Jesse.
For example:
“Rejoice, O Gentiles, with His people” (Deut. 32:43)
This is not a picture of independent pagan nations forming a separate identity. It is a picture of Gentiles participating alongside Israel in the covenantal fulfillment.
As Richard B. Hays notes, “Paul’s catena of scriptural quotations demonstrates that the Gentiles’ praise of God is envisioned within the story of Israel, not apart from it.” (Echoes of Scripture in the Letters of Paul, p. 71)
The Isaiah 11:10 citation is especially significant:
“The root of Jesse will come… in Him shall the Gentiles hope.”
This passage comes from a context describing the restoration and regathering of Israel under the Davidic Messiah. So if Paul uses it to define Gentiles, then those Gentiles must be understood within that restoration framework. The Gentiles who hope in the Root of Jesse are therefore situated within that restoration framework, not outside of it.
As James D. G. Dunn observes, “The Gentiles are incorporated into the eschatological people of God as anticipated in Israel’s scriptures.” (Romans 9–16, p. 858)
Paul’s own ministry description confirms this same pattern:
“I will not presume to speak of anything except what Christ has accomplished through me… to bring about the obedience of the Gentiles by word and deed… from Jerusalem and round about as far as Illyricum” (Romans 15:18–19)
This geographical description follows the diaspora arc, not a random global sweep. It reflects regions connected to synagogue networks and Israel’s scattered population. This mirrors the synagogue-centered pattern consistently shown in Acts, where Paul operates within diaspora networks rather than targeting disconnected pagan populations. Paul is not describing a mission detached from Israel’s world—he is describing expansion within it.
As Craig S. Keener notes, “Paul’s mission typically engages diaspora Jewish communities and those attracted to them.” (Romans, commentary summary)
Finally, Paul frames his mission in priestly terms:
“to be a minister of Christ Jesus to the Gentiles, ministering as a priest the gospel of God” (Romans 15:16)
This language draws directly from temple and covenant imagery, again reinforcing that Gentile inclusion is being understood within Israel’s established framework—not outside it.
Summary
Romans 15 does not present Gentiles as a disconnected global population newly targeted for salvation. Instead:
Their inclusion is grounded in promises made to Israel’s fathers
Their role is defined through Israel’s Scriptures
Their hope is tied to Israel’s Messiah (Root of Jesse)
Their participation is described as joining Israel’s praise and covenant life
Which Gentiles best fit this description?
Those already within reach of Israel’s Scriptures and covenantal world—what Acts consistently identifies as God-fearers and synagogue-attached Gentiles.
As Louis H. Feldman documents, “Gentiles attracted to Judaism often participated in synagogue life and revered Israel’s God without full conversion.” (Jew and Gentile in the Ancient World, p. 342)
Just like Acts 15, Romans 15 does not expand the mission to random pagans everywhere. It describes the fulfillment of Israel’s covenant promises as Gentiles already connected to that world are brought into fuller participation—without requiring full proselyte conversion.
Paul doesn’t quote generic ‘all humanity’ passages in Romans 15—he quotes Israel’s restoration texts. And in those texts, Gentiles don’t replace Israel or stand apart from it—they join Israel, rejoice with Israel, and hope in Israel’s Messiah. So the question isn’t whether Gentiles are included. It’s
