Students should be happy to be treated the same as their teacher. And servants should be happy to be treated the same as their master. If those people call me ‘the ruler of demons,’ and I am the head of the family, then it is even more certain that they will insult you, the members of the family!
Then some people brought a man to Jesus. This man was blind and could not talk, because he had a demon inside him. Jesus healed the man, and he could talk and see.
You say that I use the power of Satan to force out demons. If that is true, then what power do your people use when they force out demons? So your own people will prove that you are wrong.