The term 'price fixer' refers to a person or group of people who manipulate the prices of goods and services. The crossword solutions for this term are 'CARTEL, ' 'TAG, ' and 'ASKER.' A CARTEL is an organization of businesses that agree to fix prices, limit production, and share markets. A TAG is a label or sign that indicates the price of a product. An ASKER is someone who requests a certain price for a product or service. All of these terms are related to the concept of price fixing.