Early retirement is also a euphemistic term for accepting termination of employment before retirement age as part of the employer's labor force rationalization.
If the employees are contractually obliged to perform the work demanded of them, and the employer's instructions are reasonable, the employees' refusal amounts to insubordination.
They can also detain or make a citizen's arrest if off employer's property or contract sites, then turn the detained violator over to local law enforcement authorities.
Furthermore, a severance agreement can be structured to include salary and benefit continuance with a "clawback" provision that limits the employer's obligation to pay if the individual find new employment.
