Who is the angel of Revelation 14:18?

And another angel came out from the altar, which had power over fire; and cried with a loud cry to him that had the sharp sickle, saying, Thrust in thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are fully ripe. Apocalypse 14:18 - Louis Segond

 

⚪ The corporate body which Pastor Russell organized

Rev. 14 [...] 14:18. And another angel. — The corporate body which Pastor Russell organized to finish his work. See Rev. 8:3-5, which describes the same matter as here narrated. Source : 🇺🇸 1917 - Studies in the Scriptures, Vol 7, The finished mystery, page 227 + Cover

 

⚫ The angel of the Lord (invisible deputy)

Then John adds: "And another angel came out from the altar, which had power over fire; and cried with a loud cry to him that had the sharp sickle, saying, Thrust in thy sharp sickle, and gather the dusters of the vine of the earth; for her grapes are fully ripe." (Vs. 18) Doubtless the angel of the Lord here mentioned is assigned to the authority or duty to direct the fiery message of God's vengeance that his anointed ones on earth are to deliver in the earth. [...] The angel of the Lord is charged with directing that service. Whether those on earth know how it is done or not is not material. Every part of God's organization must have something to do. [...] The angel the Lord assigned to this work has authority over fire, meaning the message of destruction, and the remnant are directed by this invisible deputy in the course of their work. Source : 🇺🇸 1930 - Light, Vol 1, page 339, page 340 + Cover