The company says the dispute is over an out-of-date handbook and “misunderstandings,” but workers say management retaliated with bullying and harassment after they sought union representation.

The measure is a result of an incident in which U.S. State Department special agent Christopher Deedy fatally shot Kollin Elderts in Waikiki while intoxicated.

Kaiser union workers currently on strike will be joined by other Local 5 members and community supporters for a march through Waikīkī.