Paul’s letter to the Philippians is categorized as a “friendship” or “family” letter. The reciprocity Paul describes in his letter mirrors elements in Aristotle’s discourse in his Nicomachean Ethics, such as focusing on virtue, looking out for the interests of others, providing opportunity for nobility, and not acting out of need. Paul’s writing seems to move beyond formulaic phrases, patron-client obligation, and common aspects of reciprocity between himself and the Philippian believers to stress the resurrection power of God. For example, Paul’s word choices–μεγαλυνθήσεται (1:20), κρεῖσσον (1:23), κοινωνίαν παθημάτων αὐτοῦ (2:10), πολλῷ μᾶλλον (2:12), etc.—cause the reader to think beyond the typical cultural expectations of reciprocity in light of mutual participation and fellowship. Paul sees in the work of Christ an exchange between himself, the Philippians, and co-workers that results in surpassing supply. After discussing the Aristotelian concepts of “friendship” from Nicomachean Ethics books 8 and 9, Paul’s intentional phrases which align with the cultural boundaries of “friendship” are teased out. This is followed by a discussion of God’s nature in advancing the gospel and supplying the needs of Paul and the church and how this “divine reciprocity” in the letter of Philippians provides a healthy model for global evangelicalism today.