Which job might be held by someone in a mid-level caste?

The correct answer to this open question is the following.

The job that might be held by someone in a mid-level caste is a farmer.

In the Indian system of castes, the mid-levels caste was called "Vaishyas," ad they were the farmers and merchants. At the very top of the pyramid were the "Brahmins" who were teachers and priests. Then, the warriors and rulers called "Kshatriyas." After them, the "Vaishyas." Next in line were the "Shudras" or workers, and finally the "Dalits," the poor.

i would say your answer would be the second option.

hope this !

25. twelve tables

26. having important positions chosen by lot