One who obtains benefit from a public good without paying for it directly.
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.
A person who derives profit from others in a parasitic fashion.
The aft edge of a triangular sail.
An aquatic blood-sucking annelid of class Hirudinea, especially Hirudo medicinalis.
A healer.
The vertical edge of a square sail.
To drain (resources) without giving back.
To apply a leech medicinally, so that it sucks blood from the patient.