Tentang
Sun is a Trainer originally from the Kanto region who aims to collect 100 million yen. To do so, he takes on various jobs in order to raise the money he needs. Due to his main line of work being delivery, everyone calls him "Sun the Delivery Boy" (Japanese: 運び屋サン Sun the Courier). For his endeavors to collect money, he is given the title of "Saver" (貯める者).
(Source: Bulbapedia)