Final answer:
An anthropologist who helps indigenous people protect their ancestral lands is known as an applied anthropologist or public anthropologist. Applied anthropology involves using anthropological tools to address current issues, including indigenous land rights and cultural preservation. Public anthropologists endeavor to make their work accessible, aiding indigenous peoples in sustaining their cultural integrity and asserting their ancestral claims.
Step-by-step explanation:
If an anthropologist works to help indigenous people hold onto their ancestral lands, the anthropologist is referred to as an applied anthropologist or a public anthropologist. Applied anthropology utilizes anthropological methods and research to tackle contemporary issues, such as helping indigenous communities protect their lands and cultural heritage. Public anthropologists strive to make their research comprehensible and accessible to the public, and this includes contributing to indigenous peoples' efforts to secure rights to their ancestral lands and maintain their cultural practices.
Anthropologists who assist indigenous groups in issues like land rights are often involved in creating networks of support, advocating for political recognition, and engaging in collaborative research that respects the agency and authority of indigenous peoples. Through these collaborations, tribes are empowered to utilize anthropological expertise to advocate for their rights and preserve their heritage, while also managing how their cultural information is utilized and presented to the broader public.