The term, elder, has a wider range than the term, bishop. Elder may refer to Old or New Testament offices. It may also refer to men of age, experience, and/or wisdom. Bishop refers to a specific New Testament office.
Are we sure that the modern translation of the Greek of the word "perfect", in Matthew 5:48 --as "complete" is fully correct or even correct at all?
Would you please explain the significance of Christ's words to his mother in John 2:1-5.
Why did Jesus turn the water to wine (besides the fact the people had ran out) and why was it his first miracle?
Why does Jesus hate anything or anyone? Revelation 2:6 says, "But this thou hast, that thou hatest the deeds of Nicolaitans, which I also hate."
