σχοινιοπλόκος
From LSJ
τὸ γὰρ εὖ πράττειν παρὰ τὴν ἀξίαν ἀφορμὴ τοῦ κακῶς φρονεῖν τοῖς ἀνοήτοις γίγνεται → undeserved success engenders folly in unbalanced minds
English (LSJ)
ὁ,
A rope-maker, PGoodsp.Cair.30ii 1, al. (ii A.D.), POxy.934.4 (iii A.D.), etc.