hortator

例句：

1. 1. The gardener carefully waters the plants every day.
   园丁每天仔细给植物浇水。
2. 2. The teacher is an inspiring speaker who motivates students to learn.
   这位老师是一位鼓舞人心的演讲者，激励学生学习。
3. 3. The scientist is a hortator who has made significant contributions to the field.
   这位科学家是一位在领域内做出重大贡献的园艺师。