Do you believe Jesus exsisted? Do you believe Jesus preached in Israel? Do you believe Jesus is a Jew?
Do you believe Jesus was crucified and never condemned his enemies? Do you believe Jesus died and rose agian in 3 days? or do you believe someone stole Jesus out of the tomb and hid him in Jordan?
I don't know if you believe that Jesus was once on earth if you do what does that make you?
Yes.
Yes.
Yes (I would say "was" a Jew, not "is" a Jew.
I have no idea.
No.
I have no idea.
I don't think that believing that Jesus was once on earth makes me anything in particular at all.