The curate's trying to punch the constable in a delicate area. You try to push him aside, but you misjudge your shove; his punch lands home, but you're now in line to receive the constable's retaliatory blow. Ouch.
[…] catching the curate's arm before he delivers a deadly blow to the Constable's kidneys. When the dust settles, the man thanks you. 'Here, buy yourself a drink […] people could use someone of your talents. […] I'll introduce you.'