1) Driver 2) Driver of an elephant 3) Elephant driver 4) Elephant keeper 5) Elephant mover 6) Elephant rider 7) Elephant-driver 8) Pachyderm driver 9) Role for Sabu 
A mahout is a person who rides an elephant. The word mahout comes from the Hindi words mahaut (महौत) and mahavat (महावत), which eventually goes back to Sanskrit mahamatra (महामात्र). Usually, a mahout starts as a boy in the `family profession` when he is assigned an elephant early in its life. They remain bonded.....
one who rides or drives elephants
• (n.) The keeper and driver of an elephant.
(from the article `elephant`) ...date to the Indus civilization of the 3rd millennium . At Mohenjo-Daro and Harappa, Pakistan, soapstone carvings depict elephants with cloth on ...
elephant driver
Ma·hout' noun [ Hind. mahāwat , Sanskrit mahāmātra ; mahat great + mātrā measure.] The keeper and driver of an elephant. [ East Indies]
A Mahout is a man who drives working elephants. In Burma they are called Oozis, in India Mahouts.
[n] - (India) the driver and keeper of an elephant
noun the driver and keeper of an elephant