dumper
🇺🇸
/ˈdʌmpər/
🇬🇧
/ˈdʌmpə(r)/
A person who carelessly discards something, especially in an inappropriate place.
The environmentalist called the litterer a 'dumper' for leaving trash in the park.
環保人士稱這個亂丟垃圾的人為「傾倒者」,因為他在公園裡留下了垃圾。