The Gaddang tribe is an indigenous group that originally inhabited the hinterlands of Cauayan, Isabela, in the Philippines. They were brought down to the lowland settlements of the plains by Spanish missionaries and soldiers in the 18th century, and were forced to live in Spanish-held settlements. The Gaddangs resisted this colonization, leading to rebellions and confrontations with Spanish authorities. Despite these challenges, the Gaddang people continued to maintain their cultural practices and traditions, including their language, which features unique phonemes and a dearth of positional/directional adpositional adjunct words. The social organization of the Gaddang people is characterized by a hierarchical system, with leaders chosen for their bravery, skills, knowledge of custom law, and economic wealth. They practice swidden cultivation of rice and sweet potato, supplemented by tobacco and corn cash crops. The Gaddang people also have unique healing rituals, such as patunnok, an anito rite for the sick performed by makamongs for two consecutive days, and immuno-gakit ritual, performed to drive away general sickness from the village. The Gaddang people have a rich cultural heritage that has been shaped by their interactions with Spanish colonizers and their resistance to colonization. Understanding the cultures and traditions of the Gaddang people is essential for preserving their cultural heritage and promoting their social and economic development.