I trusted @Hulk_ReaperYT on my island with "/trust" however he is unable to interact with mobs (entities). He can't kill mobs (passive or aggressive), shear sheep etc.
I had something similar with passive mobs on DW20 1.10, even with manager level trust it seems broken, have you tried with different trust levels yet?
/help trust /trust [noargs] ^ NO ARGUMENTS, ONLY /trust I'm certain there are other levels of trust, unless the skyblock trust system is different
I tried /permissiontrust, /containertrust and /accesstrust trust but he still can't interact with mobs. When i do /trust {player} it says "{player} already has BUILD permissions". /trust with no arguments is insufficient.
We will need to update griefprevention to fix this issue but that requires few changes in other mods first. Update will probably happen next week.