en_tn/2ki/25/19.md

took prisoner

"captured and kept from escaping"

an officer who was in charge of soldiers

Other translations may read "a eunuch who was in charge of soldiers." A eunuch is a man whose private parts have been removed.

officer responsible for drafting men into the army

Possible meanings are 1) the officer forced men to become soldiers or 2) the officer wrote down the names of the men who became soldiers.