Muhammadu Buhari GCFR is the President of Nigeria, in office since 2015. He is a retired major general in the Nigerian Army and previously served as the nation's head of state from 31 December 1983 to 27 August 1985, after taking power in a military coup d'état. The term Buharism is ascribed to the Buhari military government.\n\nBased on this passage, what is the full name of president of nigeria?
Step-by-step reasoning:
Muhammadu Buhari GCFR
To answer the question, consider the following: Muhammadu Buhari GCFR is the President of Nigeria, in office since 2015.

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So, the answer is Muhammadu Buhari GCFR