ST. PETERSBURG — Adarius Rayner knows what it means to lose everything before you turn 10 years old.
His mother died in January 2001 when he was 7. Two years later, in January 2003, he found his great-grandfather dead in a hospital room. Ten months after that, in November 2003, he discovered his grandmother’s lifeless body in her bed.
As a high school freshman, he was expelled from Largo High for bringing a toy gun to school…