Answer:

tattler

Answer	Crossword Clue
TATTLER	Snitch
TATTLER	Rat
TATTLER	Tale teller

TATTLER	Fink
TATTLER	One who snitches
TATTLER	School stool-pigeon.
TATTLER	Gossip.
TATTLER	Telltale.
TATTLER	Gossip
TATTLER	Unpopular pupil
TATTLER	School stoolie

TATTLER	Yellowlegs or redshank
TATTLER	Stool pigeon
TATTLER	Telltale
TATTLER	Stoolie at school
TATTLER	Informal informant

Crossword

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