I think this has the makings of an interesting unit. Social marginalised is obviously linked to geography - 'the wrong side of the tracks' and all that - so class is an issue. The other big issue is sex. Or gender, since it's a university🙄
The design - or gradual development over time - of towns and cities has not involved women, or women's interests or safety. The idea of re-thinking urban environments so they take the 'other' half of the population into consideration would fit well into:
Be able to interpret the diverse ways that sexuality and gender are enacted in everyday spaces and processes of placemaking.
-but only if they replace 'sexuality and gender' with 'sex.
There might well be an interesting niche area of research into how sexuality and gender are 'enacted in everyday spaces', but the glaringly obvious issue is how women are not 'enacted in everyday spaces' .