Otto Strasser, together with his brother Gregor Strasser, was a leading member of the party's left-wing faction, and broke from the party due to disputes with the dominant "Hitlerite" faction.
Otto Strasser, bersama dengan saudaranya Gregor Strasser, adalah anggota terkemuka dari faksi sayap kiri Partai Nazi, dan keluar dari Partai Nazi karena adanya perselisihan dengan fasi fasis Hitlerit.