Properly "the Cushite," "the Ethiopian," a man apparently attached to Joab’s person. (2 Samuel 18:21-25,31,32)
Cushi
1 verse
Zephaniah
Zephaniah 1:1
The word of the LORD which came unto Zephaniah the son of Cushi, the son of Gedaliah, the son of Amariah, the son of Hizkiah, in the days of Josiah the son of Amon, king of Judah.
From Smith's Bible Dictionary
William Smith, 1884