He was one of the national leaders of the Fasci Siciliani (Sicilian Leagues) a popular movement of democratic and socialist inspiration in 1891-1894.

He was a tireless organizer of sulfur miners in the Caltanissetta area battling for higher wages and improved working conditions.

[2] Lo Piano Pomar was among the 500 delegates from nearly 90 leagues and socialist circles at the Congress of the Fasci that was held in Palermo on May 21–22, 1893.

[4] In 1903 he was one of the leaders of the Lega di miglioramento (League of improvement) and actively involved in the large strikes in the Trabonella and Gessolungo sulfur mines when the industry was declining.

[5][6] He was elected in the Italian Chamber of Deputies in November 1913 for Caltanissetta, and re-elected in December 1919 and June 1921.