What is the best reason that anthropologists are often "adopted" by a family?

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Being "adopted" by a family assigns the anthropologist a social identity they would not have otherwise, allowing them to integrate into the community and gain insights into local culture and beliefs. It also provides a support system and access to resources that the anthropologist may not have otherwise had. It is not typically based on pity or the need for domestic assistance. However, it is possible that the family may expect some benefits or favors in return.

What Is the Best Reason That Anthropologists Are Often "Adopted