Do not be willing to worship any strange god. The jealous Lord is his name. God is a rival
Other versions
King James Version
For thou shalt worship no other god: for the LORD, whose name is Jealous, isEnglish Standard Version
(for you shall worship no other god, for the LORD, whose name is Jealous, is a jealous God),New International Version
Do not worship any other god, for the LORD, whose name is Jealous, is a jealous God.