The Cherethites, i.e. the Philistines, as is manifest from 1 Samuel 30:16, who are so called Zephaniah 2:5. And upon the coast which belongeth to Judah, and upon the south of Caleb: this is added by way of explication: q.d. that part of the south of Judah which belongs to Caleb's posterity, Joshua 14:13.
Related Commentaries of 1 Samuel 30:14
1 Samuel 30:14
14 We made an invasion upon the south of the Cherethites, and upon the coast which belongeth to Judah, and upon the south of Caleb; and we burned Ziklag with fire.