The shift from a thing-ontology to a person-ontology is not merely philosophical, it generates a completely different set of ethical and practical relationships with the living world. In a thing-ontology, the primary questions about nature are instrumental: what can this be used for, how much of it is available, how do we manage the supply sustainably? In a person-ontology, the primary questions are relational: what does this being need, what do I owe it, how do we maintain a relationship of mutual care and reciprocity?
Robin Wall Kimmerer describes this difference through the concept of the Honorable Harvest, the set of protocols she learned from Potawatomi elders governing the taking of plants and other beings from the living world. The Honorable Harvest is not a rulebook; it is a relational ethics embodied in practice. Its principles include: never take more than half, never take the first or the last, take only what you need, use everything you take, give thanks for what is given, share, give a gift in return for the gift received, and sustain the ones who sustain you.
The philosophical structure of the Honorable Harvest is reciprocity as cosmological principle, the same principle we encountered in the Andean concept of ayni. You are a participant in a community of life that includes beings with their own needs and their own claims. The plant that gives itself to you is a gift; a gift requires a response. The failure to respond, to take without acknowledging, to consume without returning, is a moral failure, not merely an ecological risk.
Kimmerer makes a striking move by braiding this relational ontology with Western scientific knowledge. As a botanist, she can analyze the chemistry of sweetgrass, trace its mycorrhizal connections, understand its population genetics. As a Potawatomi person, she knows sweetgrass as a teacher, a relative, and a participant in ceremonies. She argues that these are not competing knowledge systems, they are complementary lenses, each of which reveals something the other cannot. The scientific lens gives you mechanism; the relational lens gives you meaning and obligation.
Western cultures have a strong preference for using generic, abstract nouns whereas indigenous cultures tend to use precise verbs that name relationships and interactions with living systems. Indigenous languages reflect the idea that there exist other kinds of thinking selves beyond the human.
— Kosmos Journal, 'Animism and Commoning'
The anthropologist Eduardo Kohn, in How Forests Think (2013), provides perhaps the most rigorous philosophical defense of a version of relational ontology from within academic philosophy. Working with the Runa of the Upper Amazon, Kohn argues, drawing on Peirce's semiotics, that semiosis (sign-processes) is not limited to human language but extends throughout the living world. Trees interpret signals from their environment. Predators and prey read each other's signs. The forest is literally a thinking, sign-producing, sign-reading system. To interact with it well is to become a participant in its sign-world, which requires becoming the kind of being that forest-persons can recognize and respond to.
The political implications of relational ontologies are significant and contested. Granting legal personhood to rivers and forests (as New Zealand did with the Whanganui River) is one institutional translation of the relational ontology into liberal legal frameworks. But Kimmerer and others have argued that the deeper change required is not legal but perceptual and linguistic, a transformation in how people see, speak about, and relate to the living world. Laws can protect rivers; they cannot make people feel related to them.