וְהָעִבְרִ֗ים הָי֤וּ לַפְּלִשְׁתִּים֙ כְּאֶתְמ֣וֹל שִׁלְשׁ֔וֹם אֲשֶׁ֨ר עָל֥וּ עִמָּ֛ם בַּֽמַּחֲנֶ֖ה סָבִ֑יב וְגַם־הֵ֗מָּה לִֽהְיוֹת֙ עִם־יִשְׂרָאֵ֔ל אֲשֶׁ֥ר עִם־שָׁא֖וּל וְיוֹנָתָֽן׃
Now the Hebrews that were with the Philistines as beforetime, and that went up with them into the camp round about; even they also turned to be with the Israelites that were with Saul and Jonathan.
Read halakhic rulings (Jewish law) on I Samuel 14:21: and classical halakhic sources.