Battle-joiner's choice is a term used to describe someone who joins a battle or conflict on their own free will. There are several synonyms that can be used to describe this term, such as "voluntary combatant," "willful participant," "willing warrior," or "eager fighter." These words convey the sense that the individual in question is actively seeking out the opportunity to engage in battle, rather than being conscripted or forced into it. Other synonyms for battle-joiner's choice include "enthusiastic combatant," "passionate fighter," or "intrepid challenger." Regardless of the word used, these terms all describe someone who is eager to take on the challenges of a physical encounter and who is not afraid to take risks in the face of danger.