N-COUNT
闯入者;干涉他人事务者
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.
她不愿与任何外人分享父亲的爱,并把我们视为闯入者。