en_tn/2ki/23/04.md

the priests under him

"the other priests who served him"

gatekeepers

men who guarded the gates to the temple

for Baal ... for all the stars

"so people could use them to worship Baal ... so people could use them to worship all the stars"

He burned ... and carried ... He got rid

The word "he" refers to Josiah. He would have commanded his workers to do these things. It is likely that Hilkiah and the priests who assisted him did these things. AT: "he had them burn them ... and carry them ... He had them get rid" (See: rc://en/ta/man/translate/figs-metonymy)

Kidron Valley ... Bethel

names of places (See: rc://en/ta/man/translate/translate-names)