Explanation of Names
Greek parasitos (παρασιτος)- "one who eats at the table of another" from para (παρα)- "beside" + siteo (σιτεω)- "to eat"
parasite noun, adjective parasitic - an organism that feeds on another while it is living, without killing it.
- a type of symbiotic
relationship between organisms of different species in which one, the parasite, benefits from a prolonged, close association with the other, the host, which is harmed (Wikipedia).