Verses with the word zabbai in the Old Testament (2 verses):

Ezra 10:28
Of the sons also of Bebai; Jehohanan, Hananiah, Zabbai, and Athlai.

Nehemiah 3:20
After him Baruch the son of Zabbai earnestly repaired the other piece, from the turning of the wall unto the door of the house of Eliashib the high priest.