Here's an earlier thread about another steward who allegedly forced himself on a female pax for a kiss in a drunken rampage:
http://www.pprune.org/forums/showthr...&threadid=3990
And here are several alleged pax on pax assaults on aircraft:
http://www.pprune.org/forums/showthr...threadid=48855
Groping and even rape is a major problem on public transport in many countries e.g. India and Japan.