Drunkard (noun)

1. A person who is habitually drunk or given to excessive drinking.
2. A person who is addicted to alcohol and drinks excessively.

Origin:

Late middle english: from drunken + -ard.

Examples:

1. The drunkard was a regular at the bar, always stumbling out late at night.
2. The drunkard's family had tried many times to get him to stop drinking.
3. The town had a reputation for being full of drunkards and rowdy behavior.
4. The drunkard was arrested for disorderly conduct and public intoxication.
5. The drunkard's life was a sad one, marked by lost jobs, broken relationships, and a never-ending search for the next drink.