He works to avoid discord (5)

I believe the answer is:

tuner

I'm a little stuck... Click here to teach me more about this clue!

'he works to avoid discord' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

This is the entire clue.

Can you help me to learn more?

(Other definitions for tuner that I've seen before include "piano man?" , "Piano adjuster" , "Radio receiver" , "Motor specialist" , "Adjuster of pianos" .)

I've seen this clue in The Globe and Mail.

Want a hint initially instead of a full solution? Install my app