An eunuch— An officer. So it is read in the parallel places.
Related Commentaries of Jeremiah 52:25
Jeremiah 52:25
25 He took also out of the city an eunuch, which had the charge of the men of war; and seven men of them that were nearh the king's person, which were found in the city; and the principal scribe of the host, who mustered the people of the land; and threescore men of the people of the land, that were found in the midst of the city.