I'll start with what you suggest , but I guess there will no problem with Arabic (writing from right to left) if you gave him full access on the page , he could use just this code :
I'll be back after checking the wiki.

I'm a fan of ReactOS , I'd used to play with this great open source code for a couple of years and I believe now that's getting a real top place to challenge MS , so I'd like to participate in this project in Translating both of Site and OS in ARABIC (my mother tongue Language) ... What do I need to...