These 3 words- vice, deputy and assistant-have similar meanings depending on the usage.
-A Vice President refers to an executive officer ranking immediately below a President.
-A deputy refers to someone authorized to exercise the powers of his superior in emergencies; or
-a person appointed/elected to represent or act on behalf of others; or
-an assistant with power to act when his superior is absent.
-On the other hand, an assistant is a person who contributes to the fulfillment of a need or futherance of an effort or purpose or a cause.
Now looking at these definitions, especially the last one, if you were to be the Vice President of Nigeria, how would you run your office especially as it concerns the current security, economic, religious, power/energy, etc challenges facing the nation?