The mucosa is supplied with secretions from the Buccal glands, which are arranged in superior and inferior groups.
By then the government had embraced the view that people of African descent were from genetically inferior ancestral groups and could never escape subordinate status.
The groups perceived to have the most power and authority are at the top of the racial hierarchy, while the most "inferior" group is at the bottom.
Just as in general society, those identified with inferior groups are inevitably treated as objects rather than as people.
This 'Joy of People' is kindled in the middle of special groups only, and cannot be experienced by a person alone or in an inferior group.
They can be divided into upper and lower groups, or superior and inferior groups.
Clearly you are a member of the inferior second group.