What is the part of speech of the underlined word in the sentence?

he was raised on a cattle farm in the midwest.

a.
pronoun

b.
adjective

c.
interjection

d.
noun

pronoun ?

Brutus: but as he was ambitious, i slew him. . who is here so base that would be a bondman? if any, speak, for him have i offended. who is here so rude that would not be a roman? if any, speak, for him have i offended. who is here so vile that will not love his country? if any, speak, for him have i offended. i pause for a reply. which rhetorical device does brutus use in this excerpt?