stranger

1. (humorous) Used ironically to refer to a person who the speaker knows.Examples: "Hello, stranger!"humorous

2. (obsolete) One not belonging to the family or household; a guest; a visitor.Examples: "To honour and receive / Our heavenly stranger."obsolete

3. (law) One not privy or party to an act, contract, or title; a mere intruder or intermeddler; one who interferes without right.Examples: "Actual possession of land gives a good title against a stranger having no title."; "[Judge Beverly] Davis then granted the adoption to the new wife of the boy's father; this action designated the boy's natural mother a "legal stranger," terminating all rights the mother had to visit her child."

4. (obsolete) A superstitious premonition of the coming of a visitor by a bit of stalk in a cup of tea, the guttering of a candle, etc.obsolete