A worker at an open shop who is able to enjoy the benefits negotiated by a union without being a member of the union.
Someone who obtains goods or services legally without paying.
One who obtains benefit from a public good without paying for it directly.
A device for sponging cloth by means of a perforated adjustable cylinder.
One who uses a sponge.
A parasitic hanger-on.
A person or vessel employed in gathering sponges from the sea.