waster
noun [ C ] uk/ˈweɪ.stər/ us/ˈweɪ.stɚ/
informal disapproving造成浪费的人（或物）;挥霍者
a person or thing who wastes something
He's a time waster. 他是个浪费时间的人。
This project is nothing but a money waster. 这个项目就是在烧钱。
UK informal disapproving浪费生命的人，废物，无用的人
a person who does nothing positive with their life, making no use of their abilities or the opportunities that are offered to them
There were the usual bunch of wasters hanging round the bar. 那群混混又在那家酒吧里闲呆着。