angler — An angler is someone who fishes with a fishing rod as a hobby.
dangler — to hang loosely, especially with a jerking or swaying motion: The rope dangled in the breeze.
strangler — to kill by squeezing the throat in order to compress the windpipe and prevent the intake of air, as with the hands or a tightly drawn cord.
wrangler — a cowboy, especially one in charge of saddle horses.