Complex sentence: The Western "homosexual" category has been related to the non-Western "third gender" category, being cast as a redefinition and expansion of the latter category to include all biological males who acknowledge having same-sex attractions (instead of only effeminate males).
Split into simpler sentences: The Western "homosexual" category has been related to the non-Western "third gender" category. It has been cast as a redefinition and expansion of the third gender category to include all biological males who acknowledge having same-sex attractions (instead of only effeminate males).