stumper

The candidate hired a famous stumper to rally the crowd before the election.

用法提示：stumper 作可数名词宾语，指以演说为竞选手段的政治演说者。

As a stumper, she could hold the audience's attention for hours.

用法提示：stumper 作名词，用于 as a stumper 结构，表示身份或职业。

The local stumper gave a fiery speech at the town hall meeting.

用法提示：stumper 作主语名词，特指在集会上发表政治演讲的人。