Challenges is one thing we can't avoid in life. We are bound to encounter them. Life is just not fair. It does not respect anyone's status, how good looking you are or the color of your skin. The same sun that shines to the great is the same sun that shines to the small. Even when it rains it rains but on the great and the small.
But being believers, we are at great advantage. Though we can't stop these things from happening, but we can do something about them when they appear before us. It is the approach towards these situations that sets us apart from the people of the world.
1 John 5:4 - For whatsoever is born of God overcometh the world: and this is the victory that overcometh the world, even our faith.
Being born of God is a whole new experience for us. When we are truly born of God He puts His Holy Spirit inside of us. This gives us the enablement to overcome whatever the world throws at us.
For instance, during the time of the Israelites when God sent plagues to the land of Egypt, the Israelites could not prevent this from happening. But yet, they were unaffected by the plagues. They overcame, while the Egyptians suffered loss. This is what happens when God is on our side