roper

Agent noun of rope; one who uses a rope, especially one who throws a lariat or lasso.

A ropemaker (a maker of ropes).

One who ropes goods; a packer.

Synonym of outside man (“accomplice who locates a mark to be swindled by a confidence trickster”).

A person hired by a gambling establishment to locate potential customers and bring them in.

An undercover informer.

Any of a variety of monsters with tentacles that they use to capture victims.