damaged

Would you please tell me what glue I should use to reattach this corpus to this crucifix? (See photo.) Could you link me to the product from Amazon.com? Could you tell me what materials these appear to be? (Is it olive wood and stainless steel?)

I don't know where I can place this. I just want to be able to speak to someone. My family isn't religious and when I was about five I was molested by a family member. He got sent to prison. I went to high school (age 11 here in the uk) and learned about God and the Good Book. Although my family...