1) Mr. Wager, a neighbor of mine bought his wife a ring at Mason's Jewelry store, the ring cost's a lot of money. 2) My dad's new volks'wagon does not have air conditioning but it does have power steering and disk brake's. 3) Yesterday mom drove Aunt Doris to O'hare airport which is in the northwest of the city, she boarded a Boeing 747 to New York.
Shylock is a Jew and as such has always been forced to live on the fringes of society. In effect he has an understandable chip on his shoulder. He is not looking for revenge he is just trying to outsmart him.