Hi there,
Don't worry, they are so many other expat and they even have organization for expat wife here. They do morning coffee, volunteer job, cooking class and activity for kids too. I've been here for almost a month now. Let me know If you have any question. Will try my best to answer. and if you arrived pointe noire just let me know if you want me to introduce you to the those organization. They will be happy to help you as a new comer.