improver
verb(im-prove)
to enhance in value or quality : make better
improver
verb(im-prove)
to increase the value of (land or property) by making it more useful for humans (as by cultivation or the erection of buildings)
improver
verb(im-prove)
to grade and drain (a road) and apply surfacing material other than pavement
improver
noun(im-prove)
a person who engages in self-improvement