A — 1: ζηλωτής
(Strong's #2207 — Noun Masculine — zelotes — dzay-lo-tace' )

is used adjectivally, of "being zealous" (a) "of the Law," Acts 21:20; (b) "toward God," lit., "of God," Acts 22:3 , RV, "for God;" (c) "of spiritual gifts," 1—Corinthians 14:12 , i.e., for exercise of spiritual gifts (lit., "of spirits," but not to be interpreted literally); (d) "for (AV, 'of') the traditions of my fathers," Galatians 1:14 , of Paul's loyalty to Judaism before his conversion; (e) "of good works," Titus 2:14 .

Acts 5:37Luke 6:15Acts 1:13Matthew 10:4
B — 1: ζηλόω
(Strong's #2206 — Verb — zeloo — dzay-lo'-o )

"to be jealous," also signifies "to seek or desire eagerly;" in Galatians 4:17 , RV, "they zealously seek (you)," in the sense of taking a very warm interest in; so in Galatians 4:18 , Passive Voice, "to be zealously sought" (AV, "to be zealously affected"), i.e., to be the object of warm interest on the part of others; some texts have this verb in Revelation 3:19 (see No. 2). See AFFECT , Note, COVET , DESIRE , ENVY , JEALOUS.

B — 2: ζηλόω
(Strong's #2206 — Verb — zeleuo — dzay-lo'-o )

a late and rare form of No. 1, is found in the best texts in Revelation 3:19 , "be zealous."

Galatians 2:10DILIGENT