Why Orthodox?

Hello, brothers and sisters!

I have never had any contact with churches before, but I have believed in Christ, our Savior. Now I have decided to explore various Christian denominations and realized that my views are closer to those of Evangelicals. However, I may be missing something, so I’ve come to you with a question: why do you consider yourselves Orthodox?

As far as I understand, the difference lies in the role of the Church in our salvation. Why, according to Orthodoxy, is salvation impossible without privileged people — the clergy?