encroachment
noun
[ ɛŋˈkrəʊtʃm(ə)nt ]
• intrusion on a person's territory, rights, etc.
• "minor encroachments on our individual liberties"
Similar:
intrusion into,
trespass on,
invasion of,
infiltration of,
incursion into,
obtrusion into,
overrunning of,
usurping of,
appropriation of,
infringement of,
impingement on,
impinging on,