Hammer-wielding chap stealing gold from writer (4)
I believe the answer is:
thor
'writer' is the definition.
The answer and definition can be both people as well as being singular nouns.
Maybe you can see an association between them that I can't see?
'hammer-wielding chap stealing gold' is the wordplay.
I cannot really understand how this works, but
'gold' could be 'or' ('or' is the heraldic name for gold) and 'or' is located in the answer.
This explanation may well be incorrect...
'from' acts as a link.
Can you help me to learn more?
(Other definitions for thor that I've seen before include "Norse god of war" , "One of the Norse gods" , "Germanic thunder god; early US IRBM" , "Thunderous god" , "Norse god of thunder - a weekday is named after him" .)