From the website of the Chartered Institute of Linguists, an invitation to those of you with a keen eye for detail:
Oxfam GB - volunteer proofreaders.
If you are an experienced translator and would like to volunteer to proofread documents for publication around their programme and advocacy work, Oxfam would like to hear from you.
Languages required are: English, French, Spanish, Portuguese and Arabic.
Please contact the translations team: translations at oxfam.org.uk