verb

intrude on (a person’s territory, rights, personal life, etc.).

rather than encroach on his privacy she might have kept to her room

intrude,trespass,impinge,butt in,barge in,cut in,obtrude,impose oneself,invade,infiltrate,interrupt,infringe,violate,interfere with,disturb,disrupt,tread on someone’s toes,step on someone’s toes,gatecrash,horn in on,muscle in on,invade someone’s space,entrench on