Born in Lviv, in 1920 he took part in the Polish-Soviet war as a volunteer. In the following year he became the secretary of the Union of Polish Academic Youth in Kraków, and correspondent of “Słowo Polskie”, “Głos Narodu”, “Goniec Krakowski”, “Kurier Poznański”, and “Gazeta Warszawska”, as well as the editor-in-chief of “Trybuna Narodowa” and “Słowo Polskie”. In 1928 he received his Ph. D. at the Jagiellonian University. He was the chairman of the Camp of Great Poland (OWP) for the Eastern Lesser Poland, the president of the association of the so-called ‘Brygidkarze’, i.e. Nationalist activists arrested for political actions in Lviv. From 1934 he was involved in the formation of the Union of Young Nationalists, and in 1935 he launched the ‘Akcja Narodowa’ weekly in Lviv and became the editor-in-chief of ‘Dziennik Polski’. In 1939 he received the Gold Cross of Merit. During the Second World War he was actively involved in the underground struggle against the German invaders. In the German-occupied Poland he edited “Słowo Polskie” and “Przegląd Polityczny”- the organ of the Fighting Poland Movement (OPW). He took part in the Warsaw Uprising, editing “Żołnierz Starego Miasta”. After the fall of the uprising he settled down in Kraków, and then, fleeing the Soviets, went to Germany. After the war he founded the Syndicate of Polish Journalists in Germany, and in 1949 he moved to the United States, becoming the chairman of an association of the former Polish Home Army soldiers. Hrabyk was also involved in the organization of the League for Polish Independence, and in 1953-1955 was a member of the Council of National Unity in the United States. In 1958 he returned to Poland and became a collaborator of the First Department of the Ministry of Internal Affairs.