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.
Jacob Gedleyihlekisa Zuma, GCB (born 12 April 1942) is the President of South Africa, elected by parliament following his party's victory in the 2009 general election. He was re-elected in the 2014 election.