Sforno on Genesis 37:22/ספורנו על בראשית ל״ז:כ״ב

1ויד אל תשלחו בו, according to your judgment that he deserves killing as a רודף, someone threatening you with death or perdition. (compare Samuel I 24,13 מרשעים יצא רשע וידי לא תהיה בך, “although from wicked people come wicked deeds, my hand will never touch you. [David telling G’d that he will personally not harm his persecutor King Sha-ul, but he leaves it to G’d to deal with him. Ed.]

2למען הציל אותו, in order to raise him from the pit afterwards.