'Privately' in the Bible

So Esau hated Jacob because of the blessing his father had given to his brother. Esau said privately, "The time of mourning for my father is near; then I will kill my brother Jacob!"

You complained among yourselves privately and said, "Because the Lord hates us he brought us from Egypt to deliver us over to the Amorites so they could destroy us!

So Saul's servants spoke these words privately to David. David replied, "Is becoming the king's son-in-law something insignificant to you? I'm just a poor and lightly-esteemed man!"

Then Abner spoke privately with the Benjaminites. Abner also went to Hebron to inform David privately of all that Israel and the entire house of Benjamin had agreed to.

When Abner returned to Hebron, Joab took him aside at the gate as if to speak privately with him. Joab then stabbed him in the abdomen and killed him, avenging the shed blood of his brother Asahel.

Then King Zedekiah had him brought to the palace. There he questioned him privately and asked him, "Is there any message from the Lord?" Jeremiah answered, "Yes, there is." Then he announced, "You will be handed over to the king of Babylon."

Then Johanan son of Kareah spoke privately to Gedaliah there at Mizpah, "Let me go and kill Ishmael the son of Nethaniah before anyone knows about it. Otherwise he will kill you and all the Judeans who have rallied around you will be scattered. Then what remains of Judah will disappear."