Back to the Future

The life of Vorha Ross is full of adventures: at first, of his own free will he leaves the earth as a slave enclosed in a medical capsule, but, being on a pirate space vessel with other earthlings, runs himself and helps others ... and after it, as if that that was that that -It protects: having unique knowledge and abilities, he becomes tasty prey for both slave owners and cruel scientists, but he miraculously manages to escape from those and others. But, perhaps, the reason for this is not a miracle at all, but a strange parasite that settled in the body of Ross and devouring impressive neural networks? Or maybe this is not a parasite at all, but another network donated by the riders?
In any case, in order to figure out all these intricacies of fate, Vorh must get to the seeders themselves - even if this will need to be returned to a lot years ago, on a different planet, in another body