Mandalorians
Shared history, practice, symbols, and political claims complicate any biological definition of the group.
Anthropology concept · Boundaries, ancestry & belonging
Ethnicity is a form of collective identity built through perceived shared ancestry, history, culture, language, place, or tradition. Ethnic boundaries are social and historical rather than simple biological divisions.

See the concept in Star Wars
Mandalorian identity shows why collective identity cannot be reduced to ancestry. Descent, adoption, homeland, history, armor, clan, political allegiance, and competing traditions all become resources for deciding who belongs.
Ethnicity is a form of collective identity built through perceived shared ancestry, history, culture, language, place, or tradition. Ethnic boundaries are social and historical rather than simple biological divisions.
Why it matters
Star Wars often blurs species, culture, nationality, and ethnicity. Anthropology helps separate them. Two people of the same species may belong to different political communities or cultural traditions, while people of different ancestry can share a collective identity. Mandalorian identity is especially useful because membership cannot be reduced to biology.
Star Wars cases
Shared history, practice, symbols, and political claims complicate any biological definition of the group.
Planetary identity can persist through memory and diaspora after the destruction of a homeland.
Species identity intersects with region, class, migration, politics, and local culture.
States can impose classifications that differ from how people identify themselves.
Questions to ask
Which features of identity are inherited, learned, chosen, imposed, or contested? Who has authority to recognize membership, and how do boundaries change?
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