Emily Dickinson Lexicon

COM'FORT-ER, n.

1. One who administers comfort or consolation; one who strengthens and supports the mind in distress or danger. I looked for comforters, but found none. – Ps. lxix. Miserable comforters are ye all. – Job xvi.
2. The title of the Holy Spirit, whose office it is to comfort and support the Christian. But the Comforter, the Holy Spirit, whom the Father will send in my name, he will teach you all things. – John xiv.