ver·min 
/ˈvɚmən/ noun
/ˈvɚmən/ noun [plural] 1 : small insects and animals (such as fleas or mice) that are sometimes harmful to plants or other animals and that are difficult to get rid of
▪ The room was crawling with roaches and other vermin. 2 informal : very bad, unpleasant, or offensive people
▪ The room was crawling with roaches and other vermin.
