1 Paul and Timothy, slaves of Christ Jesus, to all the saints in Christ Jesus in Philippi with the overseers and deacons: 2 Grace to you and peace from God our Father and Lord Jesus Christ. Philippians 1:1-2 (translated from the NA28 Greek text)
In vv1-2 Paul and Timothy gives the standard Christian greeting that was very common in the early Church. Notice that it is from both Paul and Timothy, who identify themselves as δοῦλοι Χριστοῦ Ἰησοῦ (slaves of Christ Jesus), but it addressed to all the ἁγίοις ἐν Χριστῷ Ἰησοῦ (saints in Christ Jesus) at Philippi….