Gabbai
The name Gabbai means “the back”.
Smith's Bible Dictionary 1863
(tax gatherer), apparently the head of an important family of Benjamin resident at Jerusalem. (Nehemiah 11:8) (B.C. before 536.)
International Standard Bible Encyclopedia 1915
gab'-a-i (gabbay, "collector"): One of the chiefs of the Benjamites in Jerusalem after the return from the Babylonian captivity (Ne 11:8).