Namibia

(1) The President shall be the Head of State and of the Government and the Commander-in-Chief of the Defence Force.
… (Art. 27)

The Presidency shall consist of the President and the Vice-President, … (Art. 27A)

(1) The President shall be elected in accordance with the provisions of this Constitution and subject thereto.
…
(2) Election of the President shall be:
(a) by direct, universal and equal suffrage; and
(b) conducted in accordance with principles and procedures to be determined by Act of Parliament:
…
(3) Every citizen of Namibia by birth or descent, over the age of thirty-five (35) years, and who is eligible to be elected to office as a member of the National Assembly shall be eligible for election as President.
 … (Art. 28)

(1) As the Head of State, the President shall uphold, protect and defend the Constitution as the Supreme Law, and shall perform with dignity and leadership all acts necessary, expedient, reasonable and incidental to the discharge of the executive functions of the Government, subject to the overriding terms of this Constitution and the laws of Namibia, which he or she is constitutionally obliged to protect to administer and to execute.
… (Art. 32)