I WANT TO KNOW IF I NEED VISA TO NAMIBIA

HELLO,PLEASE I WANT TO KNOW IF I NEED VISA TO ENTER NAMIBIA.IM A FOOTBALL COACH FROM NIGERIA,AGE 22YRS,IM INTO SPORTS PROMOTION AND PLAYERS MANAGEMENT.I OWNED A SPORTS FIRM KNOWN AS AFRICAN PRIDE SPORTS PROMOTION[.www.apsportspromotion.20m.com]CURRENTLY IM IN THE GAMBIA.I HAVE BEEN TO DIFFERENCE COUNTRIES IN AFRICA PROMOTING SPORTS AND AFRICAN PLAYERS.MY NAME IS GODWIN ETIM.THANK I WILL BE VERY HAPPY TO HEAR FROM YOU GUYS.EMAIL ME ON re_resolution@yahoo.com