Final answer:
The title of honor given to certain members of the clergy mentioned in this context is 'Pope,' which is associated with the archbishop of Rome, who eventually gained authority over the Western church hierarchy after six centuries. Other clerical titles include cardinal, bishop, and deacon.
Step-by-step explanation:
A title of honor given to certain members of the clergy is Pope. The significance of the Pope began with the early Christian church, where the archbishop of Rome was simply one leader among several others in major cities, like Alexandria and Damascus. Over time, the Roman archbishops aspired to assert control over the entire church hierarchy in the west. This authority was gradually realized and recognized more broadly after six centuries, cementing the position of the Roman church leader as the 'father' of the church or the Pope.
Moreover, the church hierarchy includes various ranks such as cardinals, bishops, and deacons, each with distinct roles and responsibilities. Cardinals often serve as key advisors to the Pope and have the exclusive authority to elect a new Pope. Bishops manage the dioceses and exercise religious leadership, while deacons serve and assist in the church's liturgical and pastoral care.
Christianity's growth was accompanied by structural developments like the establishment of dioceses and the role of bishops as leaders of congregations in major cities. Their management of communal doctrine and charity networks was integral to the early success and expansion of Christianity.