A person who lives on other people's efforts or expense and gives little or nothing back.
A sycophant or hanger-on.
An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism. Example: Lice, fleas, ticks and mites are widely spread parasites.
A climbing plant which is supported by a wall, trellis etc.
A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.
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