Gangster is usually a sinister word,and asociated with law breaking.Will you be surprised if i tell you that here in Britain,ganters are used for law enforcement?
Many private security companies are known to hire gangaters to get rid of trouble makers,and scare them away.Specially the yobs.
I used to work in an elderly respite home.I was the only security staff in the night,and had to sit in a small cubical and watch CCTV.Very often the local bored teen agers would come and smash the windows,or throw stones on the roof,or bang the windows while the old people were watching tele.Poor oldies were very annoyed,but couldnt do anything.My insurance wont cover me outside the premesis,and talking to the teen age yobs wont work.I called police many times,and they warned them,but that didnt work either.
The boss man stepped in,himself being an ex ganster.Asked me the timings when the trouble makers were around,and called some of his mates.Gave them the descrition of the main culprits.Next evening i saw a few big fat men lurking in the shadows.As soon as the bored yobs appeared for their usual fun,they were man handled brilliantly :)).
The phat men.being experienced at it,knew well how to beat up a person without leaving a mark or damaging them badly.It was a good 10 minute bashing,no black eyes,no broken bones,lots of shouting and yelling.Immediately after that,the fat men disappeared as if they were never there,and the yobs were never seen again.Problemo solved :))