He joined the Lavaite Partido Komunista ng Pilipinas .
Was one of the founding members of both the Lapiang Manggagawa ( which eventually became the Socialist Party ) and Movement for the Advancement of Nationalism .
He joined the Lavaite Partido Komunista ng Pilipinas and was one of the founding members of both the Lapiang Manggagawa ( which eventually became the Socialist Party ) and Movement for the Advancement of Nationalism .