he, she, that person over there (third person singular) / he, she, that person both of us know (third person singular) / my husband, partner (of a female speaker)

how many people / (何人も) many people / (何人か) several people

which nationality

what kind of person

(law) anybody

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

What? What did you say?

whatchamacallit, X

emphatic nominative case marker

石: stone