مضارب

muẓārib (act. part. of ضارب 'to contend or fight with;—to traffic for another,' iii of ضرب 'to beat, strike,' etc.), s.m. A combatant, a fencer;—one who is employed by another to traffic for him with his (the latter's) property on the condition of their sharing the gain together; a factor, manager, agent.