the.com/pest
Any creature whose only crime is wanting your house, crops, or sanity.
means An animal, insect, or person that is destructive, annoying, or generally unwelcome.
from From Latin pestis, plague — once literally deadly disease, now downgraded to mosquitoes and your little brother.
Plague rootsShares ancestry with pestilence and pesticide.
DemotionWent from killing thousands to merely ruining picnics.
Human versionA person can be a pest too, sadly.