It's a valid use of the word. Just like in these sentences: Joan was robbed of the use of her legs after the car accident. Or John was robbed of the opportun

It's a valid use of the word. Just like in these sentences: Joan was robbed of the use of her legs after the car accident. Or John was robbed of the opportunity to live a normal life when he was falsely convicted of murder. Something was taken from OP, Joan, and John. In OP's case, probably his job due to the collapse of the tourism industry during this ongoing pandemic. Nobody needs to have gained something in return for this to be true.