pronoun
Dated or dialectal equivalent of 誰か. Used in older speech, traditional dialects, or to give a rustic/old-fashioned flavor.
See also: 誰か
誰ぞ、手を貸してくれんか。
Someone, could you give me a hand?
昔は「誰ぞ来たか」と言うたもんじゃ。
In the old days, people used to say 'Has someone come?'