Pamalakaya is not a Tagalog word that can be found in standard dictionaries. It is an acronym for an organization in the Philippines known in English as the National Federation of Fisherfolk Organizations.

Pambansang Lakas ng Kilusang Mamamalakaya
National Force of the Fisherfolk Movement

PAMALAKAYA has 80,000 members in different parts of the Philippines.  The fishing sector includes fishermen and women in coastal and inland waters as well as workers in commercial fishing and aquaculture. The organization was founded on December 4, 1987.

It is part of the Bagong Alyansang Makabayan (BAYAN), a national alliance of organizations that is known for leading various welgang bayan (people's strikes) in different cities of the Philippines.

Bagong Alyansang Makabayan
National Patriotic Alliance