The Person Who Is in Charge; Boss, Head or Ruler
This page is the CodyCross answer for the clue below from Inside the Spaceship, Group 1193, Puzzle 2 (Technological Advances).
Question is: The Person Who Is in Charge; Boss, Head or Ruler
and the answer is: LEADER
Word Meaning:
LEADER — Any person who leads or directs.
Definitions from Wiktionary.