The term DIAMOND VIP is a combination of two job titles, UMP and MGR. UMP stands for umpire, which is an official in a sports game who is responsible for making decisions and enforcing the rules. MGR stands for manager, which is a person who is responsible for overseeing the operations of a business or organization. Together, these two job titles form the term DIAMOND VIP, which is used to refer to someone who has a high level of authority and responsibility in a business or organization.