You have it backwards. We are baptized to become Christian.
As a baptized Christian you profess your faith in Jesus.
what we profess as baptized christian
Yes, a person who has been baptized as a Catholic can also be baptized as a Christian. The Catholic Church recognizes the validity of baptisms performed in other Christian denominations.
Yes. If you were baptized as a Roman Catholic (ie. with triple immersion in water) then you do not need to be re-baptized, and you can simply be Chrismated into the Orthodox Faith. But if you were only sprinkled (sometimes called aspersion) then the correct practice is that you should be baptized (ie. with immersion) as an Orthodox Christian.
Jesus was baptized in the Christian religion.
A good time for a Christian to be baptized is as soon as it is understood why Jesus was baptized, and what that means for them.
You can go to church and not be baptized, but to be recognized as a Christian to the church you have to be baptized.
As a baptized Christian you profess your faith in Jesus.
The Baptist Christian denomination, among many others, allows adults to be baptized.
Somebody gets baptized
Presumably the Christian ones are.
Maybe so, maybe not. Yes, if the person has never trusted in Jesus Christ as personal savior, believing that he and only he is the perfect son of God, etc. No, if the person is a Christian. Mormons are Christian in every sense of the word.