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.
Conscription, or drafting, is the compulsory enlistment of people in a national service, most often a military service. Conscription dates back to antiquity and continues in some countries to the present day under various names.