Adversary

Define

Accuser (κατήγορος, katēgoros) – prosecutor, one who brings charges (John 8:10; Rev 12:10)
Adversary (σατανᾶς, satanas) – opponent, enemy (Mark 1:13; Rev 20:2) Satan
Devil (διάβολος, diabolos) – slanderer, false accuser (James 4:7; Eph 6:11)
False witness (ψευδομάρτυς, pseudomartys) – perjurer, liar under oath (Matt 26:60)
Plotter (ἐπίβουλος, epiboulos) – schemer, one lying in wait (Acts 9:24)
Slanderer (συκοφαντέω, sykophanteō) – false accuser, extortionist (Luke 3:14)

Accuser (שָׂטָן, Satan) – legal opponent, adversary (Job 1:6; Zech 3:1)
Adversary (שָׂטָן, satan) – one who opposes or resists (Num 22:22) Satan
Deceiver (עָקֹב, ʿaqob) – supplanter, one who undermines (Gen 27:36)
Slanderer (לָשׁוֹן רָע, lashon ra) – evil tongue, speaker of defamation (Prov 10:18)
Wicked one (רָשָׁע, rasha) – unrighteous accuser, lawless (Ps 71:4)
Worthless one (בֶּלִיַּעַל, beliyyaʿal) – lawless, slanderous person (Prov 6:12; 2 Sam 23:6)