Due to a complete lack of information regarding LGBTQ+ characters or themes in 'Guru Sishyan, 1988', an assessment of its portrayal cannot be made. No details were available to indicate any presence or absence of such content, leading to an 'N/K' rating.

There is insufficient information available to assess the film's portrayal of transsexual characters or themes. Therefore, a definitive evaluation of its net impact cannot be made, and no specific character arcs or plot points can be cited.

In Guru Sishyan, the primary action sequences and physical combat are exclusively performed by the male lead characters, Rajinikanth and Prabhu. Female characters, including Gautami's role, do not engage in or win close-quarters physical fights against male opponents.

The film "Guru Sishyan, 1988" is not identified as an adaptation, reboot, or biopic with pre-established characters or historical figures. Therefore, no characters are considered gender-swapped according to the provided definition.

No information about source material or prior character iterations is provided for "Guru Sishyan, 1988." Therefore, it's impossible to determine if any character's race was previously established, making a race swap assessment unfeasible.