1. the leading character of a drama or other literary work. 2. a chief proponent or leader of a movement, cause, etc. 3. (in ancient Greek drama) the actor who played the main role and other roles as well. 4. Physiol. agonist (def.
Ian Khama. Lieutenant General Dr Seretse Khama Ian Khama (or Ian a SerÃªtsÃª; born 27 February 1953) is a Botswana politician who has been the President of Botswana since 2008.
Seretse Khama, born in 1921, was the chief-in-waiting of the powerful Bangwato, among the larger of several Botswana tribes. His father had died when he was four, and the regent was his uncle Tshekedi Khama. At the time, Botswana was a British protectorate, known as Bechuanaland.