Answer:

malcontent

Answer	Crossword Clue
MALCONTENT	Crab, not the apple
MALCONTENT	Faultfinding type
MALCONTENT	Dissatisfied.

MALCONTENT	Dissatisfied one.
MALCONTENT	Political agitator.
MALCONTENT	Potential revolutionary
MALCONTENT	Grumbler
MALCONTENT	Chronic nag

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.