/ˈɪntərˌloʊpər/ – Noun
Definition: Người tham gia vào một vấn đề hoặc tình huống mà họ không được mời hoặc không liên quan.
A more thorough explanation: 1. (MAINLY ARCHAIC) a person who trades illegally; an unauthorised trader; a traders who operates without paying tax; a person who trespasses on a trade monopoly
2. a person who becomes involved with something without being asked, often without any reason to do so
Example: 1. The amount of interloper trade off the West African coast is difficult to quantify as they were less likely to keep detailed records than their legal counterparts .
2. As a hunter, he is an interloper and an exploiter of peaceable nature.