I'm not sure on which side of the debate you stand, Manitas, but it's worth pointing out that no-one is being asked to relinquish anything.

We all merely have to accept that there are a now multitude of 'correct' meanings of this word, all reasonably acquired, and that if we wish to be understood by others who may legitimately have a different understanding to our own you we may occasionally need to take the trouble to add an adjective.

Rapper is a good example - though the derivation is of course completely different. Languages are brim-full of other examples, it's just what happens when people communicate.