 Nevertheless, he remained wary of the Hejazi elite's ambitions and kept a vigilant eye on them through his various governors in Medina.The first of these was al-Hajjaj, who was also appointed governor of Yemen and the Yamama (central Arabia) and led the Hajj pilgrim caravans of 693 and 694.Though he maintained peace in the Hejaz, the harshness of his rule led to numerous complaints from its residents and may have played a role in his transfer from the post by Abd al-Malik.