'Soldier' in the Bible

Then the soldiers, when they had crucified Jesus, took His outer clothes and made four parts, a part for each soldier, and also the tunic. But the tunic was seamless, woven [in one piece] from the top throughout.

When the angel who was speaking to him had gone, Cornelius called two of his servants and a devout soldier from among his own personal attendants;

When we entered Rome, Paul was allowed to stay by himself [in rented quarters] with the soldier who was guarding him.

[Consider this:] Who at any time serves as a soldier at his own expense? Who plants a vineyard and does not eat its fruit? Or who tends a flock and does not use the milk of the flock?

Put on the full armor of God [for His precepts are like the splendid armor of a heavily-armed soldier], so that you may be able to [successfully] stand up against all the schemes and the strategies and the deceits of the devil.

Take with me your share of hardship [passing through the difficulties which you are called to endure], like a good soldier of Christ Jesus.

No soldier in active service gets entangled in the [ordinary business] affairs of civilian life; [he avoids them] so that he may please the one who enlisted him to serve.