Answer
The full title of Umaru Musa Yar'Adua, the 13th President of the Federal Republic of Nigeria, was His Excellency, Alhaji Umaru Musa Yar'Adua, GCFR. The title includes the honorific "Alhaji," indicating he had completed the sacred pilgrimage to Mecca, and the state honor "GCFR," which stands for Grand Commander of the Order of the Federal Republic.