en_tn/jer/52/12.md

in the fifth year

"During year five" (See: en:obe:other:biblicaltimeyear)

on the tenth day

"on day ten" (See: en:obe:other:biblicaltimeday)

the nineteenth year

"during year nineteen" (See: en:obe:other:biblicaltimeyear)

Nebuzaradan

This is the name of a man. (See: rc://en/ta/man/translate/translate-names)

bodyguards

This refers to people whose job is to protect someone.