Lewis & Short

ŏb-aerātus, a, um, adj. [ob-aes],

  1. I. involved in debt, in bondage on account of debt (class.): liber, qui suas operas in servitute pro pecuniā quādam debebat, dum solveret, nexus vocatur, ut ab aere obaeratus, Varr. L. L. 7, § 105 Müll.: tenuis et obaeratus, Suet. Caes. 46.
    Comp.: quanto quis obaeratior, aegrius distrahebant, the more deeply in debt, Tac. A. 6, 17.
  2. II. Subst.: ŏbaerā-tus, i, m., a person involved in debt, a debtor: obaeratos liberare, * Cic. Rep. 2, 21, 38: Orgetorix omnes clientes obaeratosque suos eodem conduxit, Caes. B. G. 1, 4; Liv. 26, 40, 17.