Which preposition to use with railer

against Occurrences 2%

Claudio confirmed all this, with saying that Hero had told him Beatrice was so in love with Benedick that she would certainly die of grief, if he could not be brought to love her; which Leonato and Claudio seemed to agree was impossible, he having always been such a railer against all fair ladies, and in particular against Beatrice.

at Occurrences 2%

De Quincey describes the Bishop as being 'always a discontented man, a railer at the government and the age, which could permit such as his to pine away ingloriously in one of the humblest among the Bishopricks.'

Which preposition to use with  railer