Khalifa is a term that can refer to a leader or successor in various contexts, particularly in Islamic history. It is often associated with the Caliphate, which was a form of Islamic government led by a caliph, who is considered a political and religious successor to the Prophet Muhammad. The caliphate played a significant role in the spread of Islam and the establishment of Islamic law. In modern contexts, "Khalifa" can also refer to Wiz Khalifa, an American rapper known for his hit songs and distinctive style. He gained fame in the early 2010s and has since become a prominent figure in the music industry, known for his contributions to hip-hop and his collaborations with various artists.