Utilize the input text as a context reference, choose the right relationship between Carlos Lopes and United Nations from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Dr. Dlamini Zuma and Carlos Lopes told the new AfDB President when the three met in New York, USA, on 24 September 2015, in the margins of the 70th Session of the United Nations General Assembly meeting.

Answer: employer