Labib learned Esperanto in 1914 and later taught the language at the Baha'i Tavakkul School in Qazvin

In 1905 he (Muhammad Labib) and his family moved to Tehran, where Labib received an education at a Baha'i school. Labib learned Esperanto in 1914 and later taught the language at the Baha'i Tavakkul School in Qazvin (Iran). He also served as an official representative of the World Esperanto movement.

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