Working positions on the 747 worked like this. Note this was before equality for women.
Cabin Service Director (always a male) in charge of the aircraft.
Purser First Class (male) in charge up front.
Purser Economy (male in charge 'down the back'
A bird (female) slaved up front and did the PA's.
B bird (female) looked after mums and babies.
C & D (either male or female) worked down the back.
Lounge steward (male)worked up front and looked after the lounge and flight deck.
Steward 1 (male) looked after and cooked the food up front.
Steward 2 (male) looked after and cooked the food down the back.
Bar 'tarts' 1 2 3 & 4 (either male or female) worked in the 4 positions down the back selling drinks and duty frees along with renting headsets.
In those days there wasn't club class and first class had 27 seats. Promotion was usually 'dead man's shoes' and took about 6 years to get from Steward 2 to Steward 1 and another 6 to make Purser.