This is a pictograph of an amphorae bearer. Therefore, it is the noun amphorae bearer.
Illustrative Text Reference:
Mohenjo-daro: Seal: M-969 a: Sayid Ghulam Mustafa Shah and Asko Parpola, 1991: Corpus of Indus Seals and Inscriptions: Volume 2: Page 94: Collections in Pakistan: Suomalainen Tiedeakatemia.
Note how the bearer steadies the amphorae with his hands to prevent them swinging about.
It is questionable whether one man would have been able to carry two of such large containers. It may therefore be, that the image is intended to portray the idea of strength, rather than a scene
from real life.