Meet Krishna- caste's brand ambassador

"It is better to engage in one's own occupation, even though one may perform it imperfectly, than to accept another's occupation and perform it perfectly. Duties prescribed according to one's nature are never affected by sinful reactions." (From Bhagavad-gita 18th chapter).
Mind your own business, you tailor/weaver/carpenter/stonecutter/ratcatcher... don't ever think of your superiors' occupations.