folklorist

例句：

1. 1. He is a folklorist who studies the customs and traditions of different ethnic groups.
   他是一位民俗学者，研究不同民族的风俗和传统。
2. 2. The folklorist collected stories from local people about their ancestors' lives.
   这位民俗学者从当地人那里收集了关于祖先生活的故事。
3. 3. The folklorist's work has helped to preserve many traditional customs in our region.
   这位民俗学者的工作帮助我们保护了许多地区的传统习俗。