A left-handed boxer is commonly referred to as a SOUTHPAW. This term originates from the fact that most boxers are right-handed, so when a left-handed boxer stands in the traditional boxing stance, their left hand is forward and their right hand is back. This gives them an advantage in terms of reach and power, as their left hand is closer to their opponent. Southpaws have been successful in the sport of boxing for many years, with some of the most famous boxers being left-handed.