King James Version (KJV)
Behold, they shall surely gather together, {but} not by me: whosoever shall gather together against thee shall fall for thy sake.
Modern English
Behold, they may gather together, but not by me. Whoever gathers together against you will fall because of you.
Hebrew
הֵ֣ן גּ֥וֹר יָג֛וּר אֶ֖פֶס מֵֽאוֹתִ֑י מִי־גָ֥ר אִתָּ֖ךְ עָלַ֥יִךְ יִפּֽוֹל׃
hen gvor yagvr ʾepes meʾvotiy miy-gar ʾitak ʿalayik yipvol