συστρατιώτης G4961
systratiṓtēs · soos-trat-ee-o'-tace · Noun Masculine
from σύν and στρατιώτης; a co-campaigner, i.e. (figuratively) an associate in Christian toil:--fellowsoldier.
2 Occurrences in the King James Bible
Philippians 2:25Yet I supposed it necessary to send to you Epaphroditus, my brother, and companion in labour, and fellow soldier, but your messenger, and he that ministered to my wants.
Philemon 1:2And to our beloved Apphia, and Archippus our fellowsoldier, and to the church in thy house: