Overtime is voluntary and employees have the right to refuse. There is at least one case (SEAWUSA v Trident Steel (1986) 7 ILJ 86 (IC)) where the court held that an employer can dismiss employees who persistently and unreasonably refuse to work overtime. That is even if there is no contractual obligation to do so.
Individualistic cultures are oriented around the self, independent instead of identifying with a group mentality. They see each other as only loosely linked, and value personal goals above that of the group.
Culture refers to the behavioral traits that make up boundaries for socially acceptable behaviors in any society. Culture is the total of beliefs, values, and practices that are common in any population or society. For example, people kiss one another as a form of greeting when they meet in the Western world whereas kissing may be seen as unacceptable behavior in the eastern part of the world.