The Martonggo Raja tradition as an indigenous democratic practice: an ethnographic study of the Batak Toba community in Indonesia

This study examines the Martonggo Raja tradition as an indigenous democratic practice within the Batak Toba community of North Sumatra, Indonesia, through an ethnographic perspective. Although commonly regarded as a customary institution for regulating ceremonial affairs, the Martonggo Raja tradition functions as a living democratic space where participation, dialogue, consensus, and collective responsibility are continuously cultivated. The findings identify three interconnected dimensions of indigenous democracy: democracy through speech, reflected in customary deliberation and consensus building; democracy through music (ende), which preserves collective memory and strengthens social solidarity; and democracy through tortor dance, which embodies reciprocity, equality, mutual respect, and shared responsibility. Drawing on prolonged fieldwork involving in-depth interviews, participant observation, and documentary analysis, this study demonstrates that democracy is both a communicative and cultural process. It advances the concept of Indigenous Living Democracy, conceptualizing democracy as a culturally embedded and evolving social practice sustained through indigenous institutions, kinship, collective memory, and local wisdom. These findings contribute to deliberative democratic theory and offer practical implications for culturally responsive governance, civic education, and democratic development in culturally diverse societies.