I saw it mentioned on the gb forums but not so much how it went in use.
Even though Rough Rider gives damage resistance, it increases your max health. Attackers always receive equal damage that they deal to you with a Rebounding Warder mod boosting Recompense to 100% (or 110%).
I'm levelling up a Siren for Fleet, but Recompense could be interesting, too.
It's raining luggage and babies and limbs and Daddy doesn't come home.