The Afar Revolutionary Democratic Unity Front or Afar Revolutionary Democratic Union Front (abbreviated ARDUF; ; also known as Uguugumo, variantly spelled Uguguma, Ugogomo, UN Office for the Coordination of Humanitarian Affairs, 14 May 1999, in University of Pennsylvania - African Studies Center, John Markakis in Review of African Political Economy, Volume 30, Number 97. Routledge, part of the Taylor & Francis Group, September 2003.. Registered in Amharic as የአፋር አብዮታዊ ዴሞክራሲያዊ አንድነት ግንባር) is an Afarpolitical party in Ethiopia that was founded in 1993 and is currently part of the United Ethiopian Democratic Forces (UEDF) coalition opposition party.