Minorities are outsiders within frontiers who refuse full assimilation.

Evidence

This raised a new problem, the problem of the outsider, the other, who wishes to retain his otherness; the one who dwells within the frontiers, but does not fully accept the identity, whether it be language, culture, religion, or citizenship, of the unity within which he lives—in other words, what we have got into the habit of calling minorities. — Bernard Lewis, From Babel to Dragomans, 1017

Categorization

• DEFINE: Offers a genealogical definition of ‘minority’ as the recalcitrant other refusing assimilation — distinct from simple demographic size.