Member of a Grand Lodge
This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1564, Puzzle 4 (Hydropower).
Question is: Member of a Grand Lodge
and the answer is: FREEMASON
Word Meaning:
FREEMASON — A member of a guild of skilled itinerant masons during the Middle Ages and early modern times.
Definitions from Wiktionary.