Monger
Definition 1 of 2

Context
Understand that monger often implies a negative or aggressive promotion of a specific thing

The term 'warmonger' suggests someone who promotes war rather than peace.
Cultural Reference
Recognize the historical context where 'monger' was a neutral term, now often used negatively

The term originated in Middle English but has evolved to carry more negative connotations.
Colloquial Usage
Note that the term can be used informally to denote someone who is overly enthusiastic about a topic

Don't be a gossipmonger; it's better to stay positive.
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