During World War II, Fabian served as a colonel of guerrillas in the Bulacan area, where he fought against the Japanese.
[5] Fabian worked as chemistry Editor of Graphic,[6] where he is credited with giving the newspaper a "leisurely but sophisticated tone,"[7] and for Liwayway.
He wrote fiction and essays in both English and Tagalog[8] and was also regarded as a noted pre-war Filipino journalist.
[10] The novel, written in Tagalog, follows the life of a Filipino student named Andres who takes a number of jobs in the United States, including as a dishwasher.
[15] Fabian first married Ángela Fernández on February 24, 1929, in Quingua, Bulacan, and they had six children: Maria Teresita, Leon, Beatriz, Augusto, Manuel, and Sergio.