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.
In 1991, at the first national conference of the ANC held inside South Africa after being banned for decades, Nelson Mandela was elected president of the ANC while his lifelong friend and colleague, Oliver Tambo, became the organisation's national chairperson.