'Child' in the Bible

Then I said, "Ah, Lord Yahweh! Behold, I don't know how to speak; for I am a child."

But Yahweh said to me, "Don't say, 'I am a child;' for to whoever I shall send you, you shall go, and whatever I shall command you, you shall speak.

For I have heard a voice as of a woman in travail, the anguish as of her who brings forth her first child, the voice of the daughter of Zion, who gasps for breath, who spreads her hands, [saying], "Woe is me now! For my soul faints before the murderers."

Ask now, and see whether a man does travail with child: why do I see every man with his hands on his waist, as a woman in travail, and all faces are turned into paleness?

Behold, I will bring them from the north country, and gather them from the uttermost parts of the earth, [and] with them the blind and the lame, the woman with child and her who travails with child together: a great company shall they return here.

Is Ephraim my dear son? is he a darling child? for as often as I speak against him, I do earnestly remember him still: therefore my heart yearns for him; I will surely have mercy on him, says Yahweh.

Therefore now thus says Yahweh, the God of Armies, the God of Israel: Why do you commit great evil against your own souls, to cut off from yourselves man and woman, infant and nursing child out of the midst of Judah, to leave yourselves none remaining;