Answer:

troller

Answer	Crossword Clue
TROLLER	Fisherman.
TROLLER	Fisherman, at times
TROLLER	Piscatory rover

TROLLER	Fisherman, perhaps
TROLLER	Individual who fishes
TROLLER	Certain fisherman

Crossword

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