Luke 3:14στρατευόμενοι
Then some soldiers asked him, “And what should we do?” “Do not take money by force or false accusation,” he said. “Be content with your wages.”
1 Corinthians 9:7στρατεύεται
Who serves as a soldier at his own expense? Who plants a vineyard and does not eat of its fruit? Who tends a flock and does not drink of its milk?
2 Corinthians 10:3στρατευόμεθα
For though we live in the flesh, we do not wage war according to the flesh.
1 Timothy 1:18στρατεύῃ
Timothy, my child, I entrust you with this command in keeping with the previous prophecies about you, so that by them you may fight the good fight,
2 Timothy 2:4στρατευόμενος
A soldier refrains from entangling himself in civilian affairs, in order to please the one who enlisted him.
James 4:1στρατευομένων
What causes conflicts and quarrels among you? Don’t they come from the passions at war within you?

Abbott-Smith

στρατεύω and depon., -ομαι, so always in NT
(στρατός, an encamped army), [in LXX for מההּ hith., יָצָא, צָבָא; metaphorically, 4Ma.9:23 ;]
used of the general, to make war, do battle, and (chiefly) of the soldiers serving under him, to serve as a soldier: Luk.3:14, 1Co.9:7, 2Ti.2:4. Metaphorical (cf. MM, ii, xxiii), of spiritual conflict, to war, make war: 2Co.10:3, 1Ti.1:18, Jas.4:1, 1Pe.2:11.†
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.