A person who is neither a citizen nor colonial/imperial subject of the state whose military they join.
A soldier belonging to a legion; a professional soldier of the ancient Roman army.
A member of a legion, such as the American Legion, or of any organization containing the term legion in its title (e.g. the French Foreign Legion).
Relating to, or consisting of, a legion or legions.
Containing a great number.
A person who is actively engaged in battle, conflict or warfare; a soldier or combatant.
A person who is aggressively, courageously, or energetically involved in an activity, such as athletics.