Yeah it's not an easy problem to solve. Encouraging unionizing would certainly help, or if you wanna get even more radical, a supplemental UBI. Ultimately though, until those things are more attainable, if an employer hires someone to do a job, and the value created by the person doing that job doesn't justify paying someone a living wage, I think it's on the employer to reevaluate the job they're asking someone to do for them. Maybe that means exploring automation options to help that worker generate more value, or maybe explicitly stating that the job is a part-time job that won't provide a living wage, or maybe reorganizing/adding job responsibilities such that the hired worker can generate more value.