6 So the priest gave him the consecrated bread, since there was no bread there except the bread of the Presence that had been removed from before the LORD and replaced by hot bread on the day it was taken away.
7 Now one of Saul’s servants was there that day, detained before the LORD; he was Doeg the Edomite, Saul’s chief shepherd.
References for 1 Samuel 21:7
8 David asked Ahimelek, “Don’t you have a spear or a sword here? I haven’t brought my sword or any other weapon, because the king’s mission was urgent.”
9 The priest replied, “The sword of Goliath the Philistine, whom you killed in the Valley of Elah, is here; it is wrapped in a cloth behind the ephod. If you want it, take it; there is no sword here but that one.” David said, “There is none like it; give it to me.”
References for 1 Samuel 21:9

David at Gath

10 That day David fled from Saul and went to Achish king of Gath.
References for 1 Samuel 21:10
11 But the servants of Achish said to him, “Isn’t this David, the king of the land? Isn’t he the one they sing about in their dances: “ ‘Saul has slain his thousands, and David his tens of thousands’?”
References for 1 Samuel 21:11
12 David took these words to heart and was very much afraid of Achish king of Gath.
13 So he pretended to be insane in their presence; and while he was in their hands he acted like a madman, making marks on the doors of the gate and letting saliva run down his beard.
References for 1 Samuel 21:13
14 Achish said to his servants, “Look at the man! He is insane! Why bring him to me?
15 Am I so short of madmen that you have to bring this fellow here to carry on like this in front of me? Must this man come into my house?”