apostasy

Alright, I am just wondering whats Sikhism reaction to Apostasy, because I heard that for Islam that they kill those who leave their faith? I know that Sikhism doesn't do that, but what do they do when someone leaves their faith? Also, I am not leaving Sikhism I am just wondering.

"Apostasy and the Future of Sikhism" by Ms. Alice Basarke Apostasy is a crisis looming in the Sikh faith. Apostasy is a problem affecting all religions in the modern world, yet for a multitude of reasons, Sikhs need to worry about it more than all others. A simplistic excuse is to blame...