Imbiber (Noun)

A person who drinks alcoholic beverages (especially to excess).

Nouns denoting people.

The notorious imbiber was known for downing an entire bottle of whiskey in one sitting.
After a few too many drinks, the imbiber stumbled out of the bar and into the night.
His friends and family worried about the young man's reputation as a heavy imbiber.
The local tavern was a favorite haunt of the town's most notorious imbiber.
Years of excessive drinking had taken a toll on the old imbiber's health.