GC: n

S : http://laws-lois.justice.gc.ca/eng/regulations/SOR-86-475/page-1.html (last access: 23 August 2016); http://www.asfcanada.ca/fr/blogue/billet/first-report-of-keiran-gibbs-lawyers-without-borders-canada-volunteer-cooperant-in-guatemala/38 (last access: 23 August 2016).

N: 1. Late Latin cooperant-, cooperans, present participle of cooperari. Working in cooperation .
2. A person from a developed country who goes to work in a developing country to assist with that country’s development.
3. Formerly called: advisor, expert.
4. person doing Voluntary Service Overseas (UK), member of the Peace Corps (US).

S: 1. MW – http://www.merriam-webster.com/dictionary/cooperant (last access: 23 August 2016). 2 & 3. TERMIUM PLUS (last access: 11 March 2014). 4. COLLINS (last access: 11 March 2014).

SYN:
S:

CR: collaborator, volunteer.