Clue: 'Small beer' — second fellow's description of Miller's Willy (8)
Answer: SALESMAN
Explanation: Definition: description of Miller's Willy
**S** (small) + **ALE** ("beer") + **S** (second) + **MAN** ("fellow") 
Refers to Willy Loman, the protagonist of Arthur Miller's play, *Death of a Salesman.