Verb conjugation of "sfidare" in Italian

What is the next big crisis in the world. No one knows, but experts believe that it will be weather and water related. There is a growing number of arid areas around the globe and many people are living in those areas.
Now I'm drinking a beer with a colleague. We will shoot a film about the bar scene and the situation of young people here in Ibiza. There are also other aspects to live here, besides tourism.
Should I call him in August? Will he know who I am? I hope that we will return to Italy in October, then we may take a coffee or a beer together, or we can even go to eat something small.