Maaseiah

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

the name means work of Jah Strong's Lexicon

Maaseiah, a Levite, assisted in explaining the Law to the people during the time of Nehemiah.

From Easton's Bible Dictionary

The work of Jehovah. (1.) One of the Levites whom David appointed as porter for the ark (1 Chr. 15:18, 20).

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.