Oxford English Dictionary (OED)
To be connected with in various relations; to form a part or appendage of; e.g. to be a member of a family, society, or nation, to be an adherent or dependent of, to be a native or inhabitant of a place; to be a dependency, adjunct, or appendage of something; to be one of a generation or time.
to be related or connected; to have a certain connection indicated or implied in the context; to fit a certain environment, group, etc.
Para, jämsides med.
En annan sort.
Bevingaren, 1980: 90
I once posted comments as Bevingaren at guardian.co.uk
Even a parasite like me should be permitted to feed at the banquet of knowledge
Note All parasitoids are parasites, but not all parasites are parasitoids
Parasitoid "A parasite that always ultimately destroys its host" (Oxford English Dictionary)
I live off you
And you live off me
And the whole world
Lives off everybody
See we gotta be exploited
By somebody, by somebody, by somebody
<I live off you>
Germ Free Adolescents
is a short step.
The word is
now a virus.