Concept:ECOWAS is the Economic Community of West African States, a regional bloc of West African countries.
Explanation:Guinea is located in West Africa.
Therefore, it is a member state of ECOWAS.
Kenya is in East Africa, not West Africa.
Namibia is in Southern Africa.
Algeria is in North Africa.
So options B, C, and D do not qualify for ECOWAS membership.
Answer:Option A: Guinea.