וַיָּ֣קָם דָּוִ֔ד וַיִּבְרַ֥ח בַּיּוֹם־הַה֖וּא מִפְּנֵ֣י שָׁא֑וּל וַיָּבֹ֕א אֶל־אָכִ֖ישׁ מֶ֥לֶךְ גַּֽת׃
And David arose, and fled that day for fear of Saul, and went to Achish the king of Gath.
Read halakhic rulings (Jewish law) on I Samuel 21:11: and classical halakhic sources.