The term 'person who affects modesty' can be summarized as a 'PRUDE'. A PRUDE is someone who is excessively or affectedly modest, bashful, or reserved. They are often seen as overly concerned with propriety and decorum, and may be perceived as being too easily shocked by vulgar language or behavior. Prudes are often seen as judgmental and moralistic, and may be viewed as having an overly conservative attitude towards social issues.