Irritating individual (4)
I believe the answer is:
pest
(Other definitions for pest that I've seen before include "Plague" , "Destructive insect or other animal" , "Annoying person" , "Troublesome person" , "Infernal nuisance" .)
I believe the answer is:
pest
(Other definitions for pest that I've seen before include "Plague" , "Destructive insect or other animal" , "Annoying person" , "Troublesome person" , "Infernal nuisance" .)