improver

1. (obsolete) Specifically, a person who improves land or property, a landscaper.Examples: "[…] may not one say Homer is in this like a skilful Improver, who places a beautiful Statue in a well-disposed Garden so as to answer several Vistas, and by that Artifice one single Figure seems multiply’d into as many Objects as there are Openings from whence it may be viewed?"; "He had been visiting a friend in a neighbouring county, and that friend having recently had his grounds laid out by an improver, Mr. Rushworth was returned with his head full of the subject, and very eager to be improving his own place in the same way; […]"obsolete

2. (historical) A pad worn by women to make the dress hang properly.historical