parasite
🇺🇸
/ˈpærəsaɪt/
🇬🇧
/ˈpærəsaɪt/
A small living thing that lives on or in another living thing and takes food from it.
The tick is a parasite that feeds on animal blood.
ダニは動物の血液を餌とする寄生虫です。
A person who depends on others for support without giving anything in return.
He became a parasite who lived off his family's money without working.
彼は働かずに家族のお金で生活する寄生虫になりました。