false accuser, devil, slanderer

Boyd’s Bible Dictionary:

(going up). A descendant of Aaron (Lev. 10:12). First of a line of high priests (1 Sam. 1:9-17; 2:22-36; 3:1-14); and Judge of Israel for 40 years (1 Sam. 4:14-18). Line extinguished (1 Kings 2:26-27).

“Accuser, The” From Concise Bible Dictionary:

ὁ κατήγορος. A title given to Satan when he is cast down to the earth, because he had accused the brethren before God day and night (Rev. 12:10; compare Zech. 3:1).

“Devil, The” From Concise Bible Dictionary:

See SATAN and DEMON.

Strong’s Dictionary of Greek Words:

Greek:
διάβολος
Transliteration:
diabolos
Phonic:
dee-ab’-ol-os
Meaning:
from 1225; a traducer; specially, Satan (compare 7854)
KJV Usage:
false accuser, devil, slanderer

Potts’ Bible Proper Names:

Slander; traducer; accuser; adversary:―the Hebrew Satan, Matt. 4:1. {Calumniator}