 In his youth he adopted the political program of Ante Starčević and together with Vjekoslav Spinčić and Matko Mandić brought Croatian national thinking and sharp attacks against the local Italian party and Italian nationalism into the political life of Istria.As a local leading politician, he fought for three decades for the region's Croats renaissance, which he continued in Zagreb, particularly as the ban of Croatia.From 1900 to 1915 he was an attorney in Pula; in 1915 he moved his practice to Zagreb.