FÃ 1\/4 hrer is German for leader . Combining it with `` FÃ 1\/4 hrer '' , he used the style FÃ 1\/4 hrer und Oberster Befehlshaber der Wehrmacht ( `` Leader and Supreme Commander of the Wehrmacht '' ) , yet a simple `` FÃ 1\/4 hrer '' since May 1942 .