Do you want to argue with Websters?
caste
noun
\ ˈkast also ˈkäst \
Definition of caste
1: one of the hereditary social classes in Hinduism that restrict the occupation of their members and their association with the members of other castes
2a: a division of society based on differences of wealth, inherited rank or privilege, profession, occupation, or race
b: the position conferred by caste standing :
PRESTIGEart and religion have lost caste— F. L. Baumer
3: a system of rigid social stratification characterized by hereditary status,
endogamy, and social barriers sanctioned by custom, law, or religion
4: a specialized form (such as the worker of an ant or bee) of a polymorphic social insect that carries out a particular function in the colonysoldier castes for fighting enemy ants