|Easton's Bible Dictionary|
(whom Jehovah defends) = Jehoiarib.
(1.) The founder of one of the courses of the priests (Nehemiah 11:10).
(2.) Nehemiah 11:5; a descendant of Judah.
(3.) Nehemiah 12:6.
(4.) Ezra 8:16, a "man of understanding" whom Ezra sent to "bring ministers for the house of God."
Int. Standard Bible Encyclopedia
joi'-a-rib (yoyaribh, "Yahweh pleads" or "contends"; compare JEHOIARIB):
(1) A "teacher" of Ezra's time (Ezra 8:16).
(2) A Judahite (Nehemiah 11:5).
(3) In Nehemiah 11:10; Nehemiah 12:6, 19 = JEHOIARIB (which see).
Joiarib (5 Occurrences)
Ezra 8:16 Then sent I for Eliezer, for Ariel, for Shemaiah, and for Elnathan, and for Jarib, and for Elnathan, and for Nathan, and for Zechariah, and for Meshullam, chief men; also for Joiarib, and for Elnathan, who were teachers. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Nehemiah 11:5 and Maaseiah the son of Baruch, the son of Colhozeh, the son of Hazaiah, the son of Adaiah, the son of Joiarib, the son of Zechariah, the son of the Shilonite. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Nehemiah 11:10 Of the priests: Jedaiah the son of Joiarib, Jachin, (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Nehemiah 12:6 Shemaiah, and Joiarib, Jedaiah. (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)
Nehemiah 12:19 and of Joiarib, Mattenai; of Jedaiah, Uzzi; (WEB KJV JPS ASV BBE DBY WBS YLT NAS NIV)