parasit

Noun

 * 1) parasite

Etymology
From, from , from , from.

Noun

 * 1)  a person who lives on other people's efforts or expense and gives little or nothing back.
 * 2)  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.
 * 3)  , a parasitic plant.
 * 1)  , a parasitic plant.

Adjective

 * 1) parasitic drawing upon another organism for sustenance

Noun

 * 1) parasite (a (generally undesirable) living organism that exists by stealing the resources needed by another (generally desirable) living organism)
 * 2)  a parasite (person who lives on other people's efforts or expense and gives little or nothing back)