ticket tout
noun/ˈtɪkɪt taʊt/
/ˈtɪkɪt taʊt/
(also tout (both British English), North American English scalper)
- a person who buys tickets for concerts, sports events, etc. and then sells them to other people at a higher price
（音乐会、体育比赛等以高价）倒卖门票者，票贩子