John Mark
Mark 6:20BSB·traditional attribution

because Herod feared John and protected him, knowing that he was a righteous and holy man. When he heard John’s words, he was greatly perplexed; yet he listened to him gladly.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The wild notions that the people had concerning our Lord Jesus, Mar 6:15. His own countrymen could believe nothing great concerning him, because they knew his poor kindred; but others that were not under the power of that prejudice against him, were yet willing to believe any thing rather than the truth - that he was the Son of God, and the...

Commenting on Mark 6:14-29

John Gill Reformed Baptist @doctorgill

For Herod feared John,.... Had him in great respect; he had a great veneration for him; which was the reason that Herodias could not as yet accomplish her design against him, and vent her rage upon him. Though some understand this not of his reverence, but of his dread of him: he knew as follows, that he was a man exemplary for justice and holiness...

Albert Barnes Presbyterian @notesbybarnes

Verse 20. He did many things. But he did not do the thing which was demanded of him--to break off from his sins. He attempted to make a compromise with his conscience. He still loved his sins, and did other things which he supposed might be accepted, in the place of putting away, as he ought, the wife of his brother--the polluted and adulterous woman with whom he lived.