Why? This is not a Greek tradition, but it's very much a tradition in the East for kings to be considered by their people to be gods.

为什么呢？这并不是希腊传统，但在东方，统治者被人民尊为神明,却是一个重要传统。

耶鲁公开课 - 新约课程节选

So the language that different early Christians used about each other, and for themselves,was sometimes very common Greek language, but sometimes it would've also sounded strange and kind of in-house to other people.

所以早期基督教徒所使用的不同的,互称或自称的称谓，有些其实是普通的希腊语，但有时听起来很奇怪,对其他人来说像黑话。

耶鲁公开课 - 新约课程节选