The rearmost part of a force, especially a detachment of troops that protect the rear of a retreating force.
The defence, collectively the defenders.
The leading military unit in an attack.
One who leads or initiates an activity (such as an attack or a campaign).
The pointed head, or end, of a spear.
A player who initiates attacking moves.
To drive or campaign ardently for, as an effort, project, etc.