נֵרְגַּל שַׁרְאֶצֶרNêrᵉgal Sharʼetser

proper name, masculine: chief soothsayer (רַבמָֿ֑ג) in train of Nebuchadnezzar (Jeremiah 39:3)

Pronunciation: nare-gal' shar-eh'-tser · Hebrew/Aramaic (Old Testament) · H5371

Same root

נֵרְגַּלNêrᵉgal · H5370Nergal, a Cuthite deity
שַׁרְאֶצֶרSharʼetser · H8272Sharetser, the name of an Assyrian and an Israelite

Where it appears

Appears 9 times in the Bible.

Jeremiah 39:3 All the officers of the Babylonian army came in and sat in triumph at the Middle Gate: Nergal-sharezer of Samgar, and Nebo-sarsekim, a chief officer, and Nergal-sharezer, the king’s adviser, and all the other officers of the king of Babylon.
Jeremiah 39:13 So Nebuzaradan, the captain of the guard; Nebushazban, a chief officer; Nergal-sharezer, the king’s adviser; and the other officers of Babylon’s king

See every passage

Jeremiah 39:3, 39:13

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).