Sexual colonialism, as it is sometimes called, is certainly a form of rape. Though I am not sure that it applies to all prostitution, the one thing that you can always say about the human condition is that it is very diverse, and that almost every imaginable state of life you can imagine, almost certainly exists. There are certainly many female prostitutes who regard themselves as exploiters of men, that fact has been well documented by good anthropological studies. Though it is true, that it is probable that it is more common for the buyers to be the exploiters, taking advantage of economic differences. And at the same time though it is not a mutually exclusive thing, in that it is perfectly possible that both sides in a single transaction can both regard themselves as the exploiters.

What however is certain is that, both the men and the few females, who buy the services of prostitutes are deluding themselves, by imagining that the act has anything to do with sex in a meaningful social sense. Any interaction between a client and a prostitute is in effect just a form of mastrubation, ( And a dangerous and expensive form. ) which does not involve any form of enhancement of the relationship, or equal mutual wishes to give pleasure, as most sex would, and usually has nothing to do with reproduction. Though were it does that last, it is certainly rape. Perhaps you can find some comfort in remembering that most of the women who your father boasted about exploiting, probably regarded him as a complete fool, behind his back at least.