■ noun
1》 a person whom one does not know.
↘a person who does not know, or is not known in, a particular place.
2》 ( ~ to ) a person entirely unaccustomed to (a feeling, experience, or situation).
3》 a person who is not a member or official of the House of Commons.
Origin
ME: shortening of OFr. estrangier , from L. extraneus (see strange ).