Cultivator (noun)

1. A person who cultivates land, crops, or animals.
2. A machine that is used to break up and smooth soil, especially in a garden or farm.
3. A person who takes care of and develops something, such as a skill or interest.

Origin:

Late 18th century: from latin cultivator, from cultivare "till, cultivate".

Examples:

1. The cultivator was used to prepare the soil for planting.
2. The farmer was a skilled cultivator of the land.
3. The cultivator broke up the clumps of soil and aerated it.
4. The cultivator was an essential tool for maintaining a healthy garden.
5. The language learner was a cultivator of the language.