Answer:

policeman

Answer	Crossword Clue
POLICEMAN	Perp picker-upper
POLICEMAN	Cop
POLICEMAN	Speeder stopper

POLICEMAN	Starsky or Hutch
POLICEMAN	Worker with a whistle
POLICEMAN	His "lot is not a happy one."
POLICEMAN	Gendarme.
POLICEMAN	He may have a beat
POLICEMAN	Protector of the public
POLICEMAN	COPPER
POLICEMAN	Whistle-blower, at times

POLICEMAN	CARRIER
POLICEMAN	One dressed in blue
POLICEMAN	One keeping the beat?
POLICEMAN	John Law
POLICEMAN	Barney Miller e.g.
POLICEMAN	Frisky guy?

Crossword

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