Lecher
/ˈletʃər/
Definition 1 of 1
Pro Tip 1/3Negative Connotation
Lecher' has a negative meaning and suggests disapproval of the man's behavior. 
The rumors painted him as a lecher, scorned by the community.
Pro Tip 2/3Gender Specific
'Lecher' is mainly used to describe men with excessive sexual desires. 
Despite his charm, many considered him a lecher beneath the surface.
Pro Tip 3/3Informal Term
Use 'lecher' in informal situations; it can be too strong or offensive in formal contexts. 
At the bar, they chuckled about the town's lecher without a filter.