In exile, they worked with liberal Dutchmen and compatriot students. It is believed that the term "Indonesia" was first used in the name of an organization, the Indonesian Alliance of Students, with which they were associated during the early 1920s. After his party was forbidden it directly inspired the foundation of the Insulinde and an Indo-European party named 'Indo Europeesch Verbond' chaired by his friend Karel Zaalberg and also advocated independence. Many of the former 'Indische Partij' members joined the new party that grew to 10.000 members.