nestorianism: the theological doctrine (named after Nestorius) that Christ is both the son of God and the man Jesus (which is opposed to Roman Catholic doctrine that Christ is fully God)
heresy: a belief that rejects the orthodox tenets of a religion
savings account trust: a savings account deposited by someone who makes themselves the trustee for a beneficiary and who controls it during their lifetime; afterward the balance is payable to the previously named beneficiary