Are you going to edit the English Wikipedia? Swahili Wikipedia? Both?
In my experience, attacking a chunk of the backlog and seeing how much progress was made by group effort is very satisfying. Pick a backlog -- articles awaiting rewriting, articles needing pictures [particularly fun -- looking through Commons for suitable images!], articles needing Interwiki links, uncategorized articles (know HotCat[1]?) etc., -- and set yourselves a realistic numeric goal.
Just a thought.
Asaf
[1]
http://en.wikipedia.org/wiki/Wikipedia:HotCat