'Obedient' in the Bible

Don’t you know that if you offer yourselves to someone as obedient slaves, you are slaves of that one you obey—either of sin leading to death or of obedience leading to righteousness?

But thank God that, though you were once slaves of sin, you became obedient from your hearts to that form of teaching with which you were entrusted!

But they were not all obedient to the good tidings, for Isaiah saith, 'Lord, who did give credence to our report?'

Let every individual be obedient to those who rule over him; for no one is a ruler except by God's permission, and our present rulers have had their rank and power assigned to them by Him.

For I will not dare to speak of any of those things which Christ hath not wrought by me, to make the Gentiles obedient, by word and deed,