Hamas's covert structure means that it is not known whether he has authority over the remaining Gaza hierarchy, but from his position in exile in Damascus, he has played an important role.
Leonardo Boff was silenced for a year by then-Cardinal Joseph Ratzinger (later Pope Emeritus Benedict XVI) for his book Church, Charisma and Power, which accused the Church hierarchy of abusing their authority and of being out of touch with ordinary Catholics.
At times, you may need to throw your authority out the door: eliminate the hierarchy, become just another member of the team, and help get things done.