lobbyist
noun [ C ] politics uk/ˈlɒb.i.ɪst/ us/ˈlɑː.bi.ɪst/
说客，游说者
someone who tries to persuade a politician or official group to do something
Lobbyists for the tobacco industry have expressed concerns about the restriction of smoking in public places. 烟草业的游说者们对在公共场所限制吸烟表示关切。