Sentence:  It shall be the basest of the kingdoms; neither shall it exalt itself any more above the nations: for I will <WSD>diminish</WSD> them, that they shall no more rule over the nations. 
Meaning of the word marked with <WSD> tags:  To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken; to nerf ("in gaming").