In 1914, a Beirut-based newspaper, Fata Al Arab, published an article penned by Eltaher that warned against the Zionist movement's intention to build a Jewish state in Palestine.

On 15 September 1915, he was arrested by Egyptian authorities at the request of the British who maintained de facto control over the country as a consequence to his involvement in anti-imperialist activities.

Elather continued to write articles detailing Levantine grievances at the division of the Ottoman Empire's territories by the British and French following World War I and at the Balfour Declaration which called for the establishment of a Jewish state in Palestine.

Eltaher cultivated close relations with the pan-Islamist Shakib Arslan of Lebanon and with the Palestinian nationalist al-Istiqlal party.

[8] The 1948 Arab-Israeli War, in which Palestine was carved up by Israel, Egypt and Jordan, left Eltaher angry at the loss of his homeland, particularly due to his insistent warnings against Zionist ambitions in the country prior to 1917.

[9] Eltaher was arrested and incarcerated at the Huckstep Internment Camp on the orders of Prime Minister Ibrahim Abdel Hadi in July 1949 for publishing his criticisms against various Arab and Palestinian leaders for their performance during the war.

However, as the influence of the Syrian military intelligence bureau over the government grew under Abdel Hamid Sarraj, a strong supporter of Nasser, Eltaher's writings against the Egyptian leadership, pressure was put on him to discontinue his publications.