to send - It was properly a sending Epaphroditus back (Phi 4:18). But as he had come intending to stay some time with Paul, the latter uses the word “send” (compare Phi 2:30).
fellow soldier - in the “good fight” of faith (Phi 1:27, Phi 1:30; 2Ti 2:3; 2Ti 4:7).
your messenger - literally, “apostle.” The “apostles” or “messengers of the churches” (Rom 16:7; 2Co 8:23), were distinct from the “apostles” specially commissioned by Christ, as the Twelve and Paul.
ministered to my wants - by conveying the contributions from Philippi. The Greek “leitourgon,” literally, implies ministering in the ministerial office. Probably Epaphroditus was a presbyter or else a deacon.