Edward Viii, Gregory Xii, or Emperor Diocletian

This page is the CodyCross answer for the clue below from Student Life , Group 926, Puzzle 4 (Double Doors).

Question is: Edward Viii, Gregory Xii, or Emperor Diocletian

and the answer is: ABDICATOR

Word Meaning:

ABDICATOR — (obsolete) A person supporting the abdication of another.

Definitions from Wiktionary.