1) The document discusses what it takes to be a good Christian soldier based on passages from the Bible. It says Christians must be tough, fight to the finish, follow Jesus's example of sacrifice, and forsake their own ambitions.
2) It outlines five characteristics of a good soldier: being tough and free to fight, fighting to the finish, following Jesus's example, proclaiming total allegiance to God, and forsaking personal ambitions.
3) It encourages readers to fully surrender and commit themselves to God to begin fighting for Him as good soldiers.