Brutus has calmed himself after a turbulent time and he is fully awake when the ghost manifests. The dying flame of his lamp announces the ghost's presence.
A soldier is one who fights as part of a land-based army. A soldier can be an enlisted person, a non-commissioned officer, or an officer in the army.
One Soldier's War is an excellent first person account of the war in Chechnya, as viewed by an 18-year-old Russian conscript. In the 1950s, I served abroad in the Middle East in the army as a conscript.