However, you could consider these options:
* 'Ioane - This is the Hawaiian name for "John," which is a common translation for "Robert." It would be a good choice if you're looking for a more formal or traditional Hawaiian name.
* Lani: Meaning "sky" or "heavenly," this name is often associated with royalty and strength, which are qualities often attributed to the name "Robert."
* Keawe: Meaning "brave," this name would be a fitting choice if Robert is known for his courage or determination.
Ultimately, the best Hawaiian name for Robert depends on the specific qualities and characteristics you want to emphasize. You could also choose a name that has a similar meaning or sound to "Robert" in Hawaiian.