The following article contains an answer for the question: Who did Harris accuse of assisting the gamblers in the inciting the unrest,? , can you please find it? 

The NSWCA appealed to Lord Harris, and in reply he said he did not blame them or the cricketers of Sydney in any way, but said that "it [the riot] was an occurrence it was impossible he could forget".
On 11 February, one day after the conclusion of the match and three days after the riot, Harris wrote a letter to one of his friends about the disturbance. It was clear that he intended the letter to be printed in the press, and it appeared in full in The Daily Telegraph on 1 April, among other London newspapers, reigniting the furore. Wisden Cricketers' Almanack considered the incident of such significance that it reprinted the whole correspondence. The letter gives a detailed contemporary account of what Lord Harris thought about the riot.Lord Harris referred to the crowd as a "howling mob" and said "I have seen no reason as yet to change my opinion of Coulthard's qualities, or to regret his engagement, in which opinion I am joined by the whole team". He further added that "Beyond slyly kicking me once or twice the mob behaved very well, their one cry being, 'Change your umpire'. And now for the cause of this disturbance, not unexpected, I may say, by us, for we have heard accounts of former matches played by English teams." Harris further accused a New South Wales parliamentarian of assisting the gamblers in the inciting the unrest, although he did not name the accusee. He said
I blame the NSW Eleven for not objecting to Coulthard before the match began, if they had reason to suppose him incompetent to fulfil his duties. I blame the members of the association (many, of course, must be excepted) for their discourtesy and uncricket like behaviour to their guests; and I blame the committee and others of the association for ever permitting betting, but this last does not, of course, apply to our match only. I am bound to say they did all in their power to quell the disturbance. I don't think anything would have happened if A. Bannerman had been run out instead of Murdoch, but the latter, besides being a great...

New South Wales parliamentarian