They come together to fellowship with each other. My church just finished a session of being better together. It is good to come together so that you can share your problems with each other and help those in need. There are other reasons why Christians fellowship together.
No
True Christians follow the example that Christ set, who left his life as a model for people to follow. (1 Peter 2:21) He made it very clear that only Jehovah God should be worshipped (Matthew 4:10), so that's who true Christians also worship, down to this day. Jehovah is the one that deserves the worship, for without Him there would be nothing else in existence. (Revelation 4:11) (New World Translation of the Holy Scriptures)
a church
no!
Christianity
Yes
the Christans and the Muslims
I do
Jerusalem.
Jerusalem
Christans
(Christians) A minority are.