Franz became a representative of Jehovah's Witnesses throughout the Caribbean, traveling to the Virgin Islands and the Dominican Republic, until at least 1957 when Jehovah's Witnesses were banned in the Dominican Republic by dictator Rafael Trujillo.
Franz menjadi seorang perwakilan Saksi-Saksi Yehuwa di seluruh Karibia, berkeliling ke Kepulauan Virgin dan Republik Dominika, dan, setidak-tidaknya hingga 1957 ketika Saksi-Saksi Yehuwa dilarang di Republik Dominika oleh diktator Rafael Trujillo.