Hello, bit new here, and i want first to say that the advice may not be applicable, sorry(each system is different, and fonction différently) Maybe the advice i would give is to try to disamorce the root of the persecutor's transphobia, ans if that does not work to try to make your système safe for your Host(for exemple by requesting that the persecutor goes dormant until they clear out their transphobia) It is not uncommon that persecutor have an goal to protect the system, but in a way that does not work, or doesn't work anymore(not uncommon but not Always). Maybe explaining to the persecutor that what they does actively put thé system in danger could help
I think one of the main issue is that actually, thé system is not a place where the host is safe,so i think asking for the Host to front more won't solve this, Hoping that helps Amélie
Ps: i used neutral for the persecutor's pronouns bc i wasn't sure which one was theirs, but when/if i know theirs, i will change them