Sutan Sjahrir
While in Banda Iwa became a devout Muslim, although he continued to believe in the value of Marxism. He also met several leading nationalist figures also there in exiled, including Muhammad Hatta, Sutan Sjahrir, and Tjipto Mangunkusumo. Iwa later returned to Batavia and, during the Japanese occupation (1942–45) operated a law firm there. He also gave several lectures on the nationalist causes, under the watchful eye of the Japanese occupational forces.