Having said that, Christians are called to judge the actions of Christians, not the person. Hate the sin not the sinner. Too often, Christians judge the other person as a bad person or evil or - insert your word here- . We all too often forget that we are just as imperfect and fallible as the person we judge. Jesus spoke directly to that issue in Matthew 7.
The other half of that question, I do not judge people by their beliefs. I have met many that I do not agree with and have nothing in common with (other than being human..
You can see what is in the heart of an individual by what they say and do. I am only a handful of Christians where I work. But there are some very gifted and wonderful people. I work with them every day and have great friendships with them. I judge their words and actions - using a Christian term : Their fruit.
