'Souls' in the Bible

Also in thy skirts is found the blood of the souls of the poor innocents: I have not found it by secret search, but upon all these.

Thus saith the LORD, Stand ye in the ways, and see, and ask for the old paths, where is the good way, and walk therein, and ye shall find rest for your souls. But they said, We will not walk therein.

Did Hezekiah king of Judah and all Judah put him at all to death? did he not fear the LORD, and besought the LORD, and the LORD repented him of the evil which he had pronounced against them? Thus might we procure great evil against our souls.

Therefore now thus saith the LORD, the God of hosts, the God of Israel; Wherefore commit ye this great evil against your souls, to cut off from you man and woman, child and suckling, out of Judah, to leave you none to remain;