Verses with the word lawgiver in the Old Testament (6 verses):

Genesis 49:10
The sceptre shall not depart from Judah, nor a lawgiver from between his feet, until Shiloh come; and unto him shall the gathering of the people be.

Numbers 21:18
The princes digged the well, the nobles of the people digged it, by the direction of the lawgiver, with their staves. And from the wilderness they went to Mattanah:

Deuteronomy 33:21
And he provided the first part for himself, because there, in a portion of the lawgiver, was he seated; and he came with the heads of the people, he executed the justice of the LORD, and his judgments with Israel.

Psalms 60:7
Gilead is mine, and Manasseh is mine; Ephraim also is the strength of mine head; Judah is my lawgiver;

Psalms 108:8
Gilead is mine; Manasseh is mine; Ephraim also is the strength of mine head; Judah is my lawgiver;

Isaiah 33:22
For the LORD is our judge, the LORD is our lawgiver, the LORD is our king; he will save us.