Umur Tadzhudin is a Volga Tatar Wizard and graudaute from Krucil he himself mainly resides in UK Umur himself believes in being "The right one" compared to "Naive Idiots" he is sorrounded in UK you may ask why he went there well he was send there by Sheikhate of Tasuffiya and Adab(Russian Ministry for muslim wizards) to hunt down anyone who is assciaoted with Tommy Riddle(Deahteaters were seen as anooying by Durmstrang principal and potential rivals and people who would reveal his secrets).