Meshullam

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

the name means allied Strong's Lexicon

Meshullam, along with Jonathan the son of Asahel, opposed Ezra's plan to put away foreign wives.

From Easton's Bible Dictionary

Befriended. (1.) One of the chief Gadites in Bashan in the time of Jotham (1 Chr. 5:13).

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

First named at Ezra 10:15.

Ezra 10:15 (Only Jonathan son of Asahel and Jahzeiah son of Tikvah, supported by Meshullam and Shabbethai the Levite, opposed this plan.)