# our beloved ... our behalf

The word "our" does not include the Colossians. 

# gospel as you learned it from Epaphras, our beloved fellow servant, who

"gospel. It is exactly what Epaphras, our beloved fellow servant, taught you. He"

# Epaphras, our beloved fellow servant, who is a faithful servant of Christ on our behalf

Here "on our behalf" means that Epaphras was doing work for Christ that Paul himself would have done if he were not in prison.

# Epaphras

the man who preached the gospel to the people in Colossae