In ancient Greece, a resident alien who did not have citizen rights and who paid a tax for the right to live there.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "metic" in a sentence
"Even if a slave becomes freed, he does not become an Athenian citizen; he is only a "metic," a resident foreigner, and his old master, or some other Athenian, must be his patron and representative in every kind of legal business."
"But the convoluted arith - metic also holds a broader lesson about Bush's second term."
"A force of metic hoplites amounting to at least three thousand took part in the invasion, and also a large number of light-armed troops."