Simplify the following text for a Grade 10 native English-speaking person.
Original: Christians believe that Jesus , as the Messiah , was anointed by God as savior of humanity , and hold that Jesus ' coming was the fulfillment of messianic prophecies of the Old Testament .
Simplified: Christians believe that , as the Messiah , Jesus was anointed by God as ruler and savior of all people . Christians also believe that Jesus ' coming was the fulfillment of messianic prophecies of the Old Testament .