'Young' in the Bible

Benaiah, the son of Jehoiada, a fighting-man of Kabzeel, had done great acts; he put to death two young lions going into their secret place; and he went down into a hole and put a lion to death in time of snow.

And Zadok, a young man mighty of valour, and of his father's house twenty and two captains.

And David said, Solomon my son is young and tender, and the house that is to be builded for the LORD must be exceeding magnifical, of fame and of glory throughout all countries: I will therefore now make preparation for it. So David prepared abundantly before his death.

They cast lots for their duties, young and old alike, teacher as well as pupil.

They cast lots for each gate according to their ancestral houses, young and old alike.

Furthermore David the king said unto all the congregation, Solomon my son, whom alone God hath chosen, is yet young and tender, and the work is great: for the palace is not for man, but for the LORD God.