intrusa znamená v Angličtina

intruder [intruders]▼(someone who intrudes)
noun
[UK: ɪn.ˈtruː.də(r)] [US: ˌɪn.ˈtruː.dər]

lurk [lurked, lurking, lurks]▼(to view an internet forum without posting comments)
verb
[UK: lɜːk] [US: ˈlɝːk]