he come: i.e. the traitor; then Ahithophel, afterward Judas (see Psalms 41:9).
speaketh. Note the lying lips, the evil heart, the wicked slander.
Related Commentaries of Psalms 41:6
Psalms 41:6
6 And if he come to see me, he speaketh vanity: his heart gathereth iniquity to itself; when he goeth abroad, he telleth it.