The term 'World Carrier' can be summarized by the crossword solution 'ATLAS'. This is a reference to the Greek Titan, ATLAS, who was tasked with holding up the sky and the Earth. In modern times, the term 'ATLAS' has come to refer to any person or entity that carries a heavy burden or responsibility. In this case, the term 'World Carrier' refers to an individual or organization that carries a great responsibility for the world.