en_tn_lite_do_not_use/act/22/30.md

General Information:

Here the word "he" refers to the chief captain.

chief captain

a military officer of about 600 soldiers

So he untied his bonds

Possibly the "chief officer" stands for the chief officers' soldiers. Alternate translation: "So the chief captain ordered his soldiers to untie Paul's bonds" (See: rc://en/ta/man/jit/figs-metonymy)

he brought Paul down

There was a stairway going down from the fortress to the temple courts.