The lumber camp will need additional workers in order to meet demand.
'Gondor is hungry for lumber. We will be unable to meet the needs of our neighbours if we do not hire more help. When next you are in Ethring, ask around to see if anyone is interested in earning some coin.'
Dornach asked you to go into Ethring to recruit new workers.
Talk to prospective workers in Ethring.
You have spoken to people in the town and found some promising candidates.
Talk to Dornach at the lumber camp east of Ethring.