The context here is a one-man internet company that hires someone on Upwork to help him or her with some administrative task. That doesn't fit any definition of

The context here is a one-man internet company that hires someone on Upwork to help him or her with some administrative task. That doesn't fit any definition of "exploitation". You could say that the entire global capitalist system is exploitative in nature, or something like that, but an individual entrepreneur posting on Upwork is not "exploiting" anyone.