The word "shiller" means a person who sells or promotes something in a deceptive or exaggerated manner. Some synonyms for "shiller" include hustler, scammer, fraudster, swindler, con artist, and charlatan. These words describe people who use deception to manipulate others for personal gain. Other related words that can be used instead of "shiller" include snake-oil salesman, flimflam artist, and trickster. Using any of these terms can help to convey the negative connotations associated with someone who is not trustworthy in their business dealings. It is important to use such words with caution as they can damage a person's reputation.