Apostles Creed

He suffered under Pontius Pilate, was crucified, died, buried, and descended to the realm of the dead…

Who was Pilate and how did he make it into the Apostles Creed?
What does it mean “he descended into hell” (or “descended to the dead”)
What do we know about Roman crucifixions?
What is Cruciform Discipleship, this invitation that Jesus gives to anyone who wants to follow Him?