Romans 14 is another really great chapter that talks a lot about accepting others.
It starts out by talking about how we should accepted everyone and leave the judging to God. Then it starts talking about how we must live and die for God because that is what Jesus did for us. It says: Christ died and rose again for this very purpose- to be Lord of the living and of the dead. (Romans 14:9 NLT).
Then in Romans 14 it talks about how we should not judge other believers (or any one for that matter) because we are just as bad and maybe even worse then them. Then it says in verse 13: So let's stop condemning each other. Decide to live in such a way that you will not cause another believer to stumble and fall. (Romans 14:13 NLT). I really liked this verse because this is how we should live! We should not be judging others its not right we have no superiority over any one! Also we should be lifting each other up as Christians, not tearing others down.