**Conflict of interest**

The author declares no conflict of interest.

<sup>6</sup> An example of the growing interest of state authorities could be the British Modern Slavery Act 2015, the Duty of Vigilance Law ('DOV Law') passed in France in February 2017 or the Australian Modern Slavery Act 2018.

*DOI: http://dx.doi.org/10.5772/intechopen.109996 Perspective Chapter: Defining Forced Labour – A Real Challenge for the World in the Twenty-First…*
