Soldier at arms is a phrase that is commonly used to refer to a military combatant who is always at the ready. This term can also be referred to as a soldier, warrior, or fighting man. Other synonyms for this phrase include knight, musketeer, trooper, and legionnaire. These terms are often used to describe a soldier's brave and honorable qualities, as well as their readiness to defend their country and allies. While there are many different synonyms for the term soldier at arms, each one highlights the same core qualities of bravery, loyalty, and service. Regardless of the specific term used, soldiers at arms remain a vital part of any military force.