the living God. Both words in plural, referring to the triune God.
everlasting king. king of the ages, or, of eternity.
Related Commentaries of Jeremiah 10:10
Jeremiah 10:10
10 But the LORD is the truec God, he is the living God, and an everlasting king: at his wrath the earth shall tremble, and the nations shall not be able to abide his indignation.