'Fellow soldier' in the Bible

"Let the officials also speak to the army, "Is there a man here who is afraid and faint-hearted? Let him go back home. Otherwise, he may demoralize his fellow soldier.'

Then I'll call for war against Gog on top of every mountain,' declares the Lord GOD, "and every weapon of war will be turned against their fellow soldier.

Neither does a man crowd his fellow soldier; each one marches in his own path. When they fall by the sword they are not injured.

Yet I supposed it necessary to send to you Epaphroditus, my brother, and companion in labour, and fellowsoldier, but your messenger, and he that ministered to my wants.

Aristarchus my fellow-soldier salutes you, and Mark the cousin of Barnabas concerning whom you received commandments; if he may come to you, receive him;

And to our beloved Apphia, and Archippus our fellowsoldier, and to the church in thy house:

Epaphras, my fellow-soldier in Christ Jesus;