A man has been sentenced to up to four years in state prison after being convicted of fraudulently representing himself as a lawyer in a real estate deal and bilking his New Rochelle victim out of more than $30,000. Westchester County District Attorney Anthony Scarpino announced on Tuesday that Daniel Stern, 52, of City Island has been sentenced to between two and four years in prison after being convicted of a felony charge of third-degree grand larceny.