It's Roman Catholicism - a heretical branch of Christianity - that supports celibacy in the priesthood and pedophilia. True Christianityy calls ALL believers priests.
Also the Vatican is a political state complete with its own embassies and ambassadors as well as a religion so, just like Islam, Roman Catholicism is a POLITICAL/RELIGIOUS ideology.
https:// en.wikipedia.org/wiki/List_of_diplomatic_missions_of_the_Holy_See