1. Are we to believe that the one man is symbolic?
Yes.
2. Does that mean Jesus is symbolic as well?
No.
Why would one imply the other?
Do you believe in the absolute inerrancy of Scripture as literal history? Please read Post 240 before answering.
Despite what you might think, creationists do not have a monopoly on Christianity.
Yes.
Before I answer YOUR question, please indulge me WHY you say YES to the above question.
Just what makes you think the OM is NOT literal?