Actually who are you asking about here?
Jesus was in the new testament and not the old testament.
The Hebrew people were the first people to use the old testament.
In the old testament it begins with babies being slaughtered with the pharaohs order. The new testament starts with the babies being killed by king Herod.
The Old Testament portrays Joshua as a serial killer who mercilessly killed all the inhabitants of every city he conquered.
The old and new testament are written by many different people.
In the old testament cannon is the holy land, which Joshua led the people to.
Queen Esther. Her story can be found in the book of Esther right after the book of Nehemiah.
Hamada is not in the Old Testament. Maybe you mean Haman? Haman is in the book of Esther. He is the prime minister of King Ahasuerus. Haman plans to have a Jew named Mordecai killed but Haman's plan is thwarted and Haman is killed
JESUS was the messiah that was promised in the old testament. He was the fulfillment of old testament prophecy.
Most likely God is mentioned in the Old Testament in what he said and did for His people.
King David . It was when he was a shepherd and a lion killed one of his sheep.
People were not baptized in the Old Testament. Instead, there was circumcision of males at 8 days of age.