The crossword solution for the term 'Imperialist' is 'RHODES'. Cecil RHODES was a British businessman, mining magnate, and politician in South Africa during the late 19th century. He was a key figure in the development of the diamond industry and a founder of the De Beers diamond company. He was also a major proponent of British imperialism and was instrumental in the establishment of the British South Africa Company. He is remembered as a symbol of British colonialism in Africa.