There are multiple definitions - click on the translation that matches your context.
beneficiary means:
Nießbraucher means:
Substantiv
partial
noun
When the Niessbrauch is held on a share or partnership interest in a company law context, then the better translation would be "beneficiary" (as in the ultimate beneficiary of the shareholding in connection with corporate ownership transparency).
a person or entity who receives money or an advantage etc
If a capital payment is made to a beneficiary, the payment can be taxed as income under s740.