One trailing first to last conversationalists (7)
I believe the answer is:
talkers
'last conversationalists' is the definition.
The answer and definition can be both people as well as being plural nouns.
Maybe you can see an association between them that I don't see?
'one trailing first' is the wordplay.
I cannot quite understand how this works, but
'one' could be 'a' (a thing is one thing) and 'a' is present in the answer.
'trailing first' could be 't' (1st letter of 'trailing') and 't' is found within the answer.
This may be the basis of the clue (or it may be nonsense).
'to' is the link.
Can you help me to learn more?
(Another definition for talkers that I've seen is " chatterboxes?".)