The word "pope" and also the word "patriarch" (usually applied to bishops in Eastern Catholicism or Eastern Orthodoxy) both derive from the ancient Greek Fascinating history & commonalities of the word "pope" (derived from the ancient Greek, "páppas") & the NT "pater" (father), used to refer to spiritual fatherhood.
Some Protestants convert to Catholicism, according to a recent book, because of the failures of contemporary Protestantism, the sense that the Roman Catholic Church has something that today's evangelical congregations lack.
Eastern Orthodox leadership has been united in opposing recognition of same-sex relationships, but there are signs of change with small majority-Orthodox countries of Montenegro and Cyprus authorising same-sex unions in recent years, as did Greece in 2015.