Complex sentence: Zhane (Justin Nimmo) is a childhood friend of Andros and Karone and after Karone's kidnapping joins Andros in becoming a Power Ranger, serving as the Silver Ranger alongside him.
Split into simpler sentences: Zhane (Justin Nimmo) is a childhood friend of Andros and Karone. After Karone's kidnapping, he joins Andros in becoming a Power Ranger, serving as the Silver Ranger alongside him.