Religious conversations and debates very often go too fast and end up being unproductive.
You will notice that all the religious people have already begun to forward assumptions without substantiating them. I call on anyone that is forwarding the premise that a god exists, there is only one god, and this god is Jesus to back up and support your claims.
Start with the first step:
1. How are we to know that a god exists?
1a. Please be specific. If what you are using to substantiate the answer you give to this question is indistinguishable from imagination, there is literally no reason to believe you that I am aware of. For example, if I told you that while backpacking here in Sweden I ran into an elf that has magical powers like invisibility, would you believe me? Why or why not? What would it take for you to believe such a claim?
Until we can resolve this first step, I don't see how we can go on to other assumptions, unless of course we accept them as a given, for the sake of argument or otherwise.
Also, please make your intentions clear so the debate does not get muddled. For example, if you are a Christian, please be clear about this and don't argue from positions outside of your belief system. All too often will Christians argue like they are deists, for example. If you believe in a specific god (i.e. Jesus), that is a specific claim that you need to support. You can't have your cake and eat it too, either Jesus is the one true god, or he is not, so don't defend the premise of a deistic god that you obviously don't actually believe in.