1. people who deal in or trade a particular commodity
Usage: often used in compound words
2. people who promote or spread something undesirable
Usage: typically used with negative connotations

Examples

• The fish mongers at the market had fresh catches every morning.
• Cheese mongers often have extensive knowledge about different varieties.
• War mongers were accused of pushing the country toward conflict.
• Fear mongers spread panic through social media.
• The iron mongers sold tools and hardware to local craftsmen.
• Rumor mongers damaged his reputation with false stories.