The meaning of Achaicus in the Bible
(From International Standard Bible Encyclopedia)

a-ka'-i-kus (Achaikos, "belonging to Achaia"): A name honorably conferred upon L. Mummius, conqueror of Corinth and Achaia (compare CORINTH). Achaicus was one of the leaders of the Corinthian church (to be inferred from I Corinthians 16:15 ff.) who, visiting Paul at Ephesus with Stephanas and Fortunatus, greatly relieved the Apostle's anxiety for the Corinthian church (compare I Corinthians 5:1 ff.). Paul admonishes the members of the Cor church to submit to their authority (compare I Thessalonians 5:12) and to acknowledge their work (I Corinthians 16:15 ff.).

See more on the meaning of Achaicus in the Bible:
Achaicus {Hitchcock's Bible Name}

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