This came up in a game yesterday.
My opponent used Questionable Contacts to move 1 damage from one of his units to one of mine. Can I use a unit with Protect to redirect the damage?
We decided you could not, because you are not damaging the unit, you are just moving damage from one unit to another.
Questionable Contacts
Reaction: After you refresh, damage this objective to move 1 damage from a target friendly unit to a target enemy unit.
Emperor's Royal Guard
Protect Character . (If a Character card you control would be damaged, you may place the damage on this unit instead.)
Does anybody disagree?