First it is important to take note of where this information is coming from. The speaker is a representative of the national energy company and therefore will likely not speak poorly of the results of the natural gas project. Then it would be important to fact check his or her claims against other sources and evidence.
The word Oba in Benin refers to B) the name of the all-powerful ruler. The word is associated with the word king or leader and was adopted by the people of Benin from Nigeria.