Haw. Rev. Stat. § 394B-13: Employees remedies.

(a) An action by an employee to enforce the provisions of this chapter may be maintained in any court of competent jurisdiction by any one or more employees for and in behalf of oneself or themselves, or the employee or employees may designate an agent or representative to maintain the action.

(b) The court in any action brought under this section shall, in addition to any judgment awarded to the plaintiff or plaintiffs, allow costs of action, including costs of fees of any nature, and reasonable attorney's fees, to be paid by the defendant.

(c) The court may also provide injunctive relief in appropriate circumstances.