Gabbai=“my back” 1) the head of an important Benjamite family living in Jerusalem in the time of Nehemiah Part of Speech: noun proper masculine A Related Word by BDB/Strong’s Number: from the same as H1354
Brown-Driver-Briggs
גַּבַּי סַלָּ֑י apparently proper name, masculine (compare Aramaic , Talmud גַּבָּי, tax-gatherer) a Benjamite Nehemiah 11:8; but text dubious compare 1 Chronicles 9:8 & SmListen 7.
Nehemiah 11:8 HEB: וְאַחֲרָ֖יו גַּבַּ֣י סַלָּ֑י תְּשַׁ֥ע NAS: and after him Gabbai [and] Sallai, 928 KJV: And after him Gabbai, Sallai, nine INT: and after Gabbai Sallai nine