'Secondary' in the Bible

After Abram had lived in the land of Canaan ten years, Abram’s wife Sarai took Hagar the Egyptian [maid], and gave her to her husband Abram to be his [secondary] wife.

So she gave him Bilhah her maid as a [secondary] wife, and Jacob went in to her.

When Leah saw that she had stopped bearing [children], she took Zilpah her maid and gave her to Jacob as a [secondary] wife.

These are the generations of Jacob.Joseph, when he was seventeen years old, was shepherding the flock with his brothers [Dan, Naphtali, Gad, and Asher]; the boy was with the sons of Bilhah and Zilpah, his father’s [secondary] wives; and Joseph brought back a bad report about them to their father.

The king ordered Hilkiah the high priest, the priests of the secondary order, and the doorkeepers to take out of the LORD's Temple all of the implements that had been crafted for Baal, for Asherah, and for every star in the heavens. Then he burned them outside Jerusalem in the fields of the Kidron and carried the ashes to Bethel.

the women should be silent in the churches, for they are not authorized to speak, but are to take a subordinate place, as the Law says.

In the same way, you wives, be submissive to your own husbands [subordinate, not as inferior, but out of respect for the responsibilities entrusted to husbands and their accountability to God, and so partnering with them] so that even if some do not obey the word [of God], they may be won over [to Christ] without discussion by the godly lives of their wives,

For in this way in former times the holy women, who hoped in God, used to adorn themselves, being submissive to their own husbands and adapting themselves to them;