John Gills Exposition of the Bible Commentary - 1 Chronicles 12:21
And they helped David against the band of the rovers ,.... The Amalekites, who, while he was gone with the Philistines, had seized on Ziklag, and burnt it, and carried the women captive, with what spoil they could make; these coming to David thus opportunely, assisted him in his pursuit and defeat of them: for they were all mighty men of valour, and were captains in the host ; or army of David. read more
Matthew Henry's Complete Commentary - 1 Chronicles 12:1-22
We have here an account of those that appeared and acted as David's friends, upon the death of Saul, to bring about the revolution. All the forces he had, while he was persecuted, was but 600 men, who served for his guards; but, when the time had come that he must begin to act offensively, Providence brought in more to his assistance. Even while he kept himself close, because of Saul (1 Chron. 12:1), while he did not appear, to invite or encourage his friends and well-wishers to come in to him... read more