premise: Meghan Markle is someone who campaigns for a cause.
hypothesis: Rachel Meghan Markle ( born August 4 , 1981 ) is an American actress , humanitarian , and activist . In 2016 , Markle was appointed a Global Ambassador for World Vision Canada , worked with the United Nations Entity for Gender Equality and the Empowerment of Women , and was a United Nations Women 's advocate for political participation and leadership .