Shabbethai

A man, in the time of Exile and Return · named in 1 verse

the name means restful Strong's Lexicon

Shabbethai, a Levite, assisted in explaining the Law to the people during the public reading led by Ezra.

From Easton's Bible Dictionary

Sabbath-born, a Levite who assisted in expounding the law and investigating into the illegal marriages of the Jews (Ezra 10:15; Neh. 8:7; 11:16).

Easton's Illustrated Bible Dictionary, 1897 — public domain, quoted in full and unedited.

First named at Nehemiah 8:7.

Nehemiah 8:7 The Levites—Jeshua, Bani, Sherebiah, Jamin, Akkub, Shabbethai, Hodiah, Maaseiah, Kelita, Azariah, Jozabad, Hanan, and Pelaiah—instructed the people in the Law as they stood in their places.