'Shame' in the Bible

but we have renounced the hidden things of shame, not walking in craftiness, nor handling the word of God deceitfully; but by the manifestation of the truth commending ourselves to every man's conscience in the sight of God.

For if in anything I have gloried to him on your behalf, I was not put to shame; but as we spake all things to you in truth, so our glorying also which I made before Titus was found to be truth.

lest by any means, if there come with me any of Macedonia and find you unprepared, we (that we say not, ye) should be put to shame in this confidence.

For though I should glory somewhat abundantly concerning our authority (which the Lord gave for building you up, and not for casting you down), I shall not be put to shame: