A person who alienates.
What does Alienator mean?
Definitions of alienator. an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile. type of: disagreeable person, unpleasant person.
What is the verb of alienation?
transitive verb. 1 : to cause to be estranged : to make unfriendly, hostile, or indifferent especially where attachment formerly existed He alienated most of his colleagues with his bad temper. Her position on this issue has alienated many former supporters.