The Collaborative International Dictionary of English v.0.48:
Fawner \Fawn"er\, n. One who fawns; a sycophant. [1913 Webster]WordNet (r) 3.0 (2006):
fawner n 1: someone who humbles himself as a sign of respect; who behaves as if he had no self-respect [syn: apple polisher, bootlicker, fawner, groveller, groveler, truckler]