dopester
/ˈdəʊpstə(r)/noun
- N. Amer. informal a person who collects and supplies information, typically on sporting events or elections〈北美, 非正式〉（尤指在体育比赛或选举中）收集并提供信息的人：
they are inside dopesters with special access to the racing world.
他们是一些和赛马界有特别联系的内幕曝料者。