During his studies, he visited many foreign cities and spent a great deal of time in Paris, where he worked as a Croatian-language teacher.

[2][better source needed] Following the establishment of the Independent State of Croatia (Croatian: Nezavisna Država Hrvatska, NDH) in April 1941, Alajbegović left his role as professor of Islamic studies at the University of Zagreb and became a diplomat.

He held this position until 11 October 1943, when Poglavnik Ante Pavelić made him Minister of Welfare for Perished Lands.

[1] In this position, he was responsible for securing more than 300,000 mostly Muslim refugees from various parts of the NDH in eastern Bosnia, Herzegovina and Sandžak; most of these were fleeing the Chetniks.

[4] On 18 and 19 September 1944, Alajbegović accompanied Pavelić on a diplomatic visit to Berlin and met with German leader Adolf Hitler.

[3] Muslimanski članovi Društva bosansko-hercegovačkih Hrvata u Zagrebu bili su: Ibrahim Kotlo, tajnik, Asim Hadžiabdić, rizničar, i odbornici Derviš Hadžioman, Halid Muftić, Omer Mujadžić, Salko Alečković, Sadik Zildžić, Ibrahim Ruždić, Junus Mehmedagić, Muharem Huseinbegović, Smail Hajrić, Atif Fejzagić, Hasan Stupac, Muharem Tudaković, Maše Hrnjić, Salih Mujkić, Derviš Čaušević, Sulejman Mulić, Muharem Teskeredžić, Muhamed Karić, Omer Šuljak, Husein Jašarević, Mehmed Alajbegović (...).