Hi!
....Lucifer was an angel.
Ezek 28:14 Thou art the
anointed cherub that covereth; and I have set thee so: thou wast upon the holy mountain of God; thou hast walked up and down in the midst of the stones of fire.
H3742 כְּרוּב kruwb (ker-ooɓ') n-m.
1. a cherub. a created spiritual being having a various descriptions.
2. (apparently) a spiritual being created for a discrete purpose, thus differing from other cherubim in this manner.
[of uncertain derivation]
KJV: cherub, (plural) cherubims.
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Gen 19:15 And when the morning arose, then the
angels hastened Lot, saying, Arise, take thy wife, and thy two daughters, which are here; lest thou be consumed in the iniquity of the city.
H4397 מַלאָךְ mal'ak (mal-awk') n-m.
1. a messenger.
2. (specifically, of God) an angel.
3. (thus, also) a prophet, priest or teacher.
[from an unused root meaning to despatch as a deputy]
KJV: ambassador, angel, king, messenger.
God Bless!