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.
Robert Mugabe, Zimbabwe. Robert Mugabe turns 91 this weekend, but the real milestone for the Zimbabwean leader came last summer. When Shimon Peres stepped down as Israelâs president last July, Mugabe assumed the mantle of the worldâs oldest head of state. But he shows no sign of going anywhere.