relative

a person related by blood or marriage; "police are searching for relatives of the deceased"; "he has distant relations back in New Jersey"

an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)

estimated by comparison; not absolute or complete; "a relative stranger"

properly related in size or degree or other measurable characteristics; usually followed by `to'; "the punishment ought to be proportional to the crime"; "earnings relative to production"