12:1-22 Here is an account of those who appeared and acted as David's friends, while he was persecuted. No difficulties or dangers should keep the sinner from coming to the Savior, nor drive the believer from the path of duty. Those who break through, and overcome in these attempts, will find abundant recompence. From the words of Amasai we may learn how to testify our affection and allegiance to the Lord Jesus; his we must be throughly; on his side we must be forward to appear and act. If we are under the influence of the Spirit, we shall desire to have our lot among them, and to declare ourselves on their side; if in faith and love we embrace the cause of Christ, he will receive, employ, and advance us.
21, 22. they helped David against the band—that is, the Amalekites who had pillaged Ziklag in David's absence. This military expedition was made by all his men (1Sa 30:9), who, as David's early helpers, are specially distinguished from those who are mentioned in the latter portion of the chapter.