'Second in command' in the Bible

Pharaoh had him ride in the chariot used by his second-in-command, and they cried out before him, "Kneel down!" So he placed him over all the land of Egypt.

He said to him, "Don't be afraid! For the hand of my father Saul cannot find you. You will rule over Israel, and I will be your second in command. Even my father Saul realizes this."

They included Joel the leader, Shapham the second in command, Janai, and Shaphat in Bashan.

Ezer was the leader, Obadiah the second in command, Eliab the third,

Asaph was the leader and Zechariah second in command, followed by Jeiel, Shemiramoth, Jehiel, Mattithiah, Eliab, Benaiah, Obed-Edom, and Jeiel. They were to play stringed instruments; Asaph was to sound the cymbals;

Zikri, an Ephraimite warrior, killed the king's son Maaseiah, Azrikam, the supervisor of the palace, and Elkanah, the king's second-in-command.

Joel son of Zicri was the officer in charge of them, and Judah son of Hassenuah was second-in-command over the city.