Given the question: Eoin O'Duffy - Eoin O'Duffy (Irish: Eoin O Dubhthaigh; 30 October 1892 30 November 1944) was an Irish political activist soldier and police commissioner best known for his advocacy of fascism.O'Duffy was the leader of the Monaghan Brigade of the Irish Republican Army (IRA) during the successful Irish War of Independence and in this capacity became Chief of Staff of the IRA in 1922. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
The answer is:
Office Holder