besmearer

Example:He smears the company's good name with false accusations.

Definition:To cover or stain with a sticky substance; to tarnish or cast dishonorable light on (a reputation).

Example:His actions disfigured his professional image and reputation.

Definition:To make less attractive or pleasing to the eyes; to ruin the image or reputation.

Example:The scandal tarnished the politician's image in the eyes of the public.

Definition:To damage the good name or quality; to spoil the reputation.