A person in an organization whose role puts them in contact with non-members.
A person with whom one has had contact; a contact.
A person in an organization or group that non-members can contact in order to interact with the group; a representative whose contact details are made public.
A person, such as next of kin, who should be told about someone's situation if an emergency occurs.
A point person.
A councilman or councilwoman; member of a council.