Exploitation is universal amongst humans. There are no divisions, such as class, that distinguish between humans who exploit others and humans who don't exploit others. There are no groups of humans without exploitation. There are no humans who don't exploit others.
Socialists understand exploitation as the relationship by which one societal class, called owners, claims as profit value generated by the labor provided by another class, called workers.
Such kind of relationship is particular to historical periods, and is not universal or inevitable within any human society generally.
Socialists have found class analysis to be the most broadly useful framework to understand social systems.
Socialists understand exploitation as the relationship by which one societal class, called owners, claims as profit value generated by the labor provided by another class, called workers.
Exploitation is simply a term chosen to describe a kind of relationship that has appeared on our current economic systems.
You are free to use the same word in other contexts, but your objection is not particularly meaningful in juxtaposition to your previous ones, and your complaints are obviously more directly motivated for obfuscation than by sincerity.