'Inner' in the Bible

But you, when you pray, go into your inner room, close your door and pray to your Father who is in secret, and your Father who sees what is done in secret will reward you.

So if they say to you, ‘Behold, He is in the wilderness,’ do not go out, or, ‘Behold, He is in the inner rooms,’ do not believe them.

Accordingly, whatever you have said in the dark will be heard in the light, and what you have whispered in the inner rooms will be proclaimed upon the housetops.

and he, having received such a command, threw them into the inner prison and fastened their feet in the stocks.

For I joyfully concur with the law of God in the inner man,

Therefore we do not lose heart, but though our outer man is decaying, yet our inner man is being renewed day by day.

that He would grant you, according to the riches of His glory, to be strengthened with power through His Spirit in the inner man,