David said to Abishai; not to Joab, lest by this means he should recover his place, and Amasa be discontented, and David's fidelity in making good his promise to Amasa be questioned. Thy lord's servants, i.e. my guards that attend upon my person, and the other soldiers who are now present with me. He speaks of himself in the third person, as is very frequent. For it is not probable he would now call Joab his lord, whom he had lately deposed; nor Amasa, who had not yet taken actual possession of his place, nor had the command over the king's guards.
Related Commentaries of 2 Samuel 20:6
2 Samuel 20:6
6 And David said to Abishai, Now shall Sheba the son of Bichri do us more harm than did Absalom: take thou thy lord's servants, and pursue after him, lest he get him fenced cities, and escapec us.