Spruiker is a commonly used term in Australia, which describes a person who promotes or advertises a product or service in a public place in an energetic and enthusiastic manner. However, there are various synonyms for the word spruiker, including pitchman, barker, promoter, hustler, hawker, and canvasser. These synonyms can be used interchangeably with the word spruiker in different contexts. A pitchman often uses a catchy sales pitch to attract potential customers, while a hawker or canvasser goes door-to-door to sell products or services. In contrast, a promoter or hustler may use a variety of marketing strategies to promote their products. Overall, these synonyms are useful for diversifying one's vocabulary and enhancing the clarity of communication.