interlope
[ in-ter-lohp, in-ter-lohp ]
/ ˌɪn tərˈloʊp, ˈɪn tərˌloʊp /
verb (used without object), in·ter·loped, in·ter·lop·ing.
to intrude into some region or field of trade without a proper license.
to thrust oneself into the affairs of others.