Oppressive Ruler
This page is the CodyCross answer for the clue below from The 70's, Group 328, Puzzle 4 (Space Invaders).
Question is: Oppressive Ruler
and the answer is: TYRANT
Word Meaning:
TYRANT — (historical, Ancient Greece) A usurper; one who gains power and rules extralegally, distinguished from kings elevated by election or succession.
Definitions from Wiktionary.