Are you looking for volunteer help?
Can you pay a foreign professional editor at an international rate?
A local professional editor at a local rate?
It is OK to ask for volunteer help -- and you need to ask, if this is what you want, so people know!
Thanks for using our forums.
Peter J. Matthews, Chief Admin.,
The Research Cooperative,
Auckland & Kyoto.
Contact: researchcooperative [at] gmail [dot] com