A hard bargainer is someone who is difficult to negotiate with, often trying to get the best deal possible. The term can be broken down into three words: haggler (7 letters), pleader (7 letters), and LESS (4 letters). A haggler is someone who argues persistently in order to get a better price or deal. A pleader is someone who makes a strong, emotional appeal in order to persuade someone. Lastly, LESS is an amount that is smaller than what is expected or desired. Together, these words describe someone who is difficult to negotiate with, as they are constantly trying to get the best deal possible.