What's the noun for seraph? Here's the word you're looking for.
seraph
(biblical) A six-winged angel; the highest choir or order of angels in Christian angelology, ranked above cherubim, and below God. A detailed description can be found at the beginning of Isaiah chapter 6
“The speed with which the seraph touches those lips with a coal indicates the readiness of God to remove our guilt and make us ready for God's service.”
“The Arabs name it the seraph, and indeed, that is the origin of its now best-known English name.”
“But then Becker observed him jumping nervously up and down, behind the insouciant Swiss seraph, as they waited to step on to court.”