Touch not mine anointed - It is supposed that the patriarchs are here intended; but the whole people of Israel may be meant. They were a kingdom of priests and kings unto God; and prophets, priests, and kings were always anointed.

whose

Genesis 39:20 And Joseph's master took him, and put him into the prison, a place where the king's prisoners were bound...

Genesis 40:15 For indeed I was stolen away out of the land of the Hebrews: and here also have I done nothing that they should put me into the dungeon...

Acts 16:24 Who, having received such a charge, thrust them into the inner prison, and made their feet fast in the stocks.

he was laid in iron. Heb. his soul came into iron

Psalm 107:10 Such as sit in darkness and in the shadow of death, being bound in affliction and iron;

Inviolable Messiahs and Prophets
'He reproved kings for their sakes; 15. Saying, Touch not Mine anointed, and do My prophets no harm.'--PSALM cv. 14, 15. The original reference of these words is to the fathers of the Jewish people--the three wandering shepherds, Abraham, Isaac, and Jacob. The Psalmist transfers to them the great titles which properly belong to a later period of Jewish history. None of the three were ever in the literal sense of the word 'anointed,' but all the three had what anointing symbolised. None of them were …
Alexander Maclaren—Expositions of Holy Scripture

Thankfulness for Mercies Received, a Necessary Duty
Numberless marks does man bear in his soul, that he is fallen and estranged from God; but nothing gives a greater proof thereof, than that backwardness, which every one finds within himself, to the duty of praise and thanksgiving. When God placed the first man in paradise, his soul no doubt was so filled with a sense of the riches of the divine love, that he was continually employing that breath of life, which the Almighty had not long before breathed into him, in blessing and magnifying that all-bountiful, …
George Whitefield—Selected Sermons of George Whitefield

A Challenge and a Shield
"Who is he that condemneth? It is Christ that died."--Romans 8:34. Here are two very wonderful challenges thrown out by the apostle Paul. First, he boldly defies anyone to charge the chosen of God with sin: "Who shall lay any thing to the charge of God's elect?" and then, even if any charges should be brought against them, he defies all our foes to secure an adverse verdict: "Who is he that condemneth?" This would be a very bold challenge even for a man who had been righteous from his youth up. If …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 38: 1892