βεβαιωτήρ
From LSJ
κεραυνὸν ἐν γλώττῃ φέρειν → carry a thunderbolt on his tongue
English (LSJ)
βεβαιωτῆρος, ὁ, = βεβαιωτής (one who gives assurance of, warrantor) 2, GDI 1684 (Delph.), al.
Spanish (DGE)
-ῆρος, ὁ
garante legal, muy frec. en inscr. de Delfos en actas de manumisión βεβαιωτῆρες κατὰ τοὺς νόμους τᾶς πόλιος FD 4.479.12, cf. 480A.7, GDI 1684.8, SEG 36.501.7 (Delfos, todas II a.C.).
German (Pape)
[Seite 440] ῆρος, ὁ, = folgd., Inscr. Tithorensis (Rhein. Mus. N. F. II, 4), Bürge, den der Freigelassene stellt.