1 Samuel 26:9

9 And David said to Abishai, Slay thou not him, for who shall hold forth his hand into the christ of the Lord, and shall be innocent? (And David said to Abishai, Kill thou him not, for who shall put his hand against the anointed of the Lord, and still be innocent?)

1 Samuel 26:9 Meaning and Commentary

1 Samuel 26:9

And David said to Abishai, destroy him not
He laid his commands upon him not to hurt him:

for who can stretch forth his hand against the Lord's anointed, and be
guiltless?
since Saul was king, and appointed to that office by the Lord, and was anointed by his order for it, and invested with it by him, his person was sacred, and not to be touched; nor could his life be taken away by any without being guilty of a very great crime indeed, which it might be justly expected the Lord would resent and punish.

1 Samuel 26:9 In-Context

7 Therefore David and Abishai came to the people in the night, and they found Saul lying and sleeping in the tent, and a spear set fast in the earth at his head; forsooth they found Abner and the people sleeping in his compass (and they found Abner and the other people sleeping all around him).

8 And Abishai said to David, God hath closed today thine enemy into thine hands; now therefore I shall pierce him with the spear once (through, and) in(to) the earth, and no need shall be (for) the second time. (And Abishai said to David, God hath enclosed thy enemy in thy hands today; and so now I shall pierce him once through with the spear, and into the ground, and there shall be no need for a second thrust.)

9 And David said to Abishai, Slay thou not him, for who shall hold forth his hand into the christ of the Lord, and shall be innocent? (And David said to Abishai, Kill thou him not, for who shall put his hand against the anointed of the Lord, and still be innocent?)

10 And David said, (As) The Lord liveth, for no but the Lord smite him, either his day come that he die, either he go down into battle, and perish;

11 the Lord be merciful to me, that I hold not forth mine hand into the christ of the Lord; now therefore take thou the spear, that is at his head, and the cup of water, and go we away. (the Lord forbid/God forbid that I put my hand against the Lord's anointed; and so now, let us take the spear, that is at his head, and the cup of water, and go we away.)