They went forth to meet David, to congratulate the victory; which, it is probable, David had sent a messenger to acquaint them with. He saluted them; he spoke kindly to them, and did not blame them because they went no further with them.
Related Commentaries of 1 Samuel 30:21
1 Samuel 30:21
21 And David came to the two hundred men, which were so faint that they could not follow David, whom they had made also to abide at the brook Besor: and they went forth to meet David, and to meet the people that were with him: and when David came near to the people, he salutedb them.