Za'ba is also active in community service. He was the General Counsel for the Brotherhood Sahabat Pena Malaya (1937), and was appointed president of Selangor Malay Association (1945). In 1953, he was appointed as senior lecturer in the Department of Malay Studies, Universiti Malaya. Together Ungku Aziz, he set up the formation of the Organization of Language Students and two years later he established the Federal Bahasa Melayu Universiti Malaya (bum).
In 1946, in the congress opposed against the formation of the amlayan Union, he was appointed as a committe mmber of the Legislator Committe of UMNO Charter Bill.