Andrew the Apostle, also known as Saint Peter and Andrew the Apostle, also known as Saint Andrew and called in the Orthodox tradition the First-called,
Gamaliel , was a leading authority in the Sanhedrin in the early 1st century
He helped in peter because he presenting an argument against killing the apostles
"And I say unto thee, That thou art Peter, and upon this rock I will build my church; and the gates of hell shall not prevail against it. 19 And I will give unto thee the keys of the kingdom of Heaven" Matthew 16: 18-19