指名者

例句：

1. 1. The committee appointed a new chairman to replace the outgoing one.
   委员会任命了一位新的主席来接替即将离任的主席。
2. 2. The book's author was a renowned scientist who made significant contributions to the field.
   这本书的作者是一位著名的科学家，他在该领域做出了重要的贡献。
3. 3. The director of the museum is the person responsible for naming exhibits and arranging their displays.
   博物馆的主任是负责命名展览并安排其展示的人。