That is, &c. = But this (imparting some spiritual gift) is (or means) our being comforted by our mutual faith.
comforted together. Greek. sumparakaleo. Only here.
mutual. in (Greek. en) one another.
Related Commentaries of Romans 1:12
Romans 1:12
12 That is, that I may be comforted together withd you by the mutual faith both of you and me.