>If anyone's willing to toss their hat in the ring


Sorry, not my kink.

>if YOU have (or did have) an impreg fetish, what kinds of things would you like an IRL young female to do to you/with you/for you?


Not my kink either, but you could put a pillow under your clothes to fake pregnancy.
Makes me wonder, are there actually any producers of fake pregnant bellies made from silicone or other material?

>living out a rape fetish


Oh look - also not my kink. But I've also got some advice for this one.

You could give him a detailed shedule of places you'll go to over the week.
You could maybe rent a small gym or similar place for an evening so you'd have the changing rooms all for yourself.

Just make sure it's rather remote or private so no random passerby walks in on you and calls the police (or, worse, plays an hero and pulls out a weapon or something).