1 Sam 29:4

וַיִּקְצְפ֨וּ עָלָ֜יו שָׂרֵ֣י פְלִשְׁתִּ֗ים וַיֹּ֣אמְרוּ לוֹ֩ שָׂרֵ֨י פְלִשְׁתִּ֜ים הָשֵׁ֣ב אֶת־הָאִ֗ישׁ וְיָשֹׁב֙ אֶל־מְקוֹמוֹ֙ אֲשֶׁ֣ר הִפְקַדְתּ֣וֹ שָׁ֔ם וְלֹֽא־יֵרֵ֤ד עִמָּ֨נוּ֙ בַּמִּלְחָמָ֔ה וְלֹא־יִֽהְיֶה־לָּ֥נוּ לְשָׂטָ֖ן בַּמִּלְחָמָ֑ה וּבַמֶּ֗ה יִתְרַצֶּ֥ה זֶה֙ אֶל־אֲדֹנָ֔יו הֲל֕וֹא בְּרָאשֵׁ֖י הָאֲנָשִׁ֥ים הָהֵֽם׃

But the commanders of the Philistines were angry with Achish and told him, “Send that man back and let him return to the place you assigned him. He must not go down with us into battle only to become our adversary during the war. What better way for him to regain the favor of his master than with the heads of our men?