Tupac Amaru Shakur (June 16, 1971 – September 13, 1996), also known by his stage names 2Pac (or simply Pac) and Makaveli, was an American rapper. He has sold 75 million albums to date and is one of the best-selling music artists in the world. In addition to his status as a top-selling recording artist, Shakur was a promising actor and a social activist. Most of Shakur's songs are about growing up amid violence and hardship in ghettos, racism, problems in society and conflicts with other rappers. Shakur's work is known for advocating political, economic, social and racial equality. Shakur was initially a roadie and backup dancer for the alternative hip hop group Digital Underground.