abator
nounEtymology From abate (“do away with”) + -or. From Middle English, from Old French.
1
Law one who abates, ends, or does away with a nuisance
abator
nounUS /əˈbeɪt.ə/
Etymology From abate (“to enter without right after the owner dies and before the heir takes over”) + -or. From Anglo-Norman.
1
Law a person who, without right, enters into a freehold on the death of the last possessor, before the heir or devisee