Abu Bakr 's beliefs would have been defended by his own clan , but not by the entire Quraysh tribe .
Abu Bakr was persecuted many times by the Quraysh .
Abu Bakr 's beliefs would have been defended by Abu Bakr 's own clan , but not by the Quraysh Quraysh tribe .
Abu Bakr was persecuted many times by the Quraysh .