N-COUNT
闖入者;干涉他人事務者
If you describe someone as an interloper, you mean that they have come into a situation or a place where they are not wanted or do not belong.
例句
She had no wish to share her father with any outsider and regarded us as interlopers.
她不愿與任何外人分享父親的愛,并把我們視為闖入者。