Sentence:  An upper <WSD>one-percenter</WSD> in the income and wealth distributions, Rubin commuted by private jet between the tony Jefferson Hotel in Washington and his Park home in New York. 
Meaning of the word marked with <WSD> tags:  A member of the top one percent of a population by wealth, ability, etc. (same as the ninety-ninth percentile); especially in a society with high wealth inequality.