The Definition of a Porter from the dictionary:
por·ter 1 (pôrtr, pr-)
1. A person employed to carry burdens, especially an attendant who carries
travelers' baggage at a hotel or transportation station.
2. A railroad employee who waits on passengers in a sleeping car or parlor
3. A maintenance worker for a building or institution.
Mark 13 The Porter and no man can get on GOD's Train except The Porter
draws him John 6:44 you don't get on the Heavenly Porter calls All Aboard.