Strong's 4811 (συκοφαντέω)

accuse falsely, take by false accusation

to be a fig-informer (reporter of the law forbidding the exportation of figs from Greece), "sycophant", i.e. (genitive and by extension) to defraud (exact unlawfully, extort)

from a compound of G4810 (σῦκον) and a derivative of G5316 (φαίνω);