There is no “sinisla” in standard Philippine dictionaries.
Though unlikely, this could possibly be two Spanish words mistakenly typed without a space in between — sin isla (without island).
Campesinista organizations were also characterized by a constitutional link to the Left. A leftist party or workers’ organization plays a key role in the conceptualization, formation, and development of a campesinista organization.
— Peasant resistance in Latin America
The debate around two theoretical orientations, campesinista (peasantization school) and de campesinista (proletarianization school), so popular in the 1970s, did not provide a complete picture that would allow us to decipher with exactness how rural communities adapt to new processes that affect them.

