King James Version (KJV)
And I will come upon him while he {is} weary and weak handed, and will make him afraid: and all the people that {are} with him shall flee; and I will smite the king only:
Modern English
I will come on him while he is weary and exhausted, and will make him afraid. All the people who are with him will flee. I will strike the king only,
Hebrew
וְאָב֣וֹא עָלָ֗יו וְה֤וּא יָגֵ֙עַ֙ וּרְפֵ֣ה יָדַ֔יִם וְהַֽחֲרַדְתִּ֣י אֹת֔וֹ וְנָ֖ס כָּל־הָעָ֣ם אֲשֶׁר־אִתּ֑וֹ וְהִכֵּיתִ֥י אֶת־הַמֶּ֖לֶךְ לְבַדּֽוֹ׃
vʾabvoʾ ʿalayv vhvʾ yageʿa vrpeh yadayim vhaḥaradtiy ʾotvo vnas kal-haʿam ʾasher-ʾitvo vhikeytiy ʾet-hamelek lbadvo