A Wesleyan mission had been established at Wangaroa, which he visited and assisted, and finding Mr. Leigh, the chief minister, very ill, offered him a passage to Sydney for advice, but this ship had scarcely weighed anchor before a great storm came on; the ship was lost, and the crew and passengers had to land in boats, and return for two months longer before a ship could be found to bring them home, and in this time he did all in his power to bring the Maories to agree to some settled form of government under a single chief; but though any chief, especially Hunghi, was quite willing to be that one, nobody would be anything secondary, and thus the project failed. He also set the missionaries the task of endeavouring to collect a fixed vocabulary and grammar, which might be available in future translations. The great kindness shown him at his shipwreck had greatly touched his heart, especially in contrast with the usage he was meeting with in Australia, for this was in the height of the persecution about Ring, which detained him at home for more than two years. During this time Mr. Williams was joined by his brother William, also a priest of the English Church, but the wars of the Maories had become so desperate that the peril of the missionaries had been much increased; indeed, the Wesleyans had had the whole of their premises ravaged, so that the minister came as a fugitive to find a refuge at Paramatta, as a guest of Mr. Marsden.
That brave soldier of his Lord decided on going at once to the scene of peril. Though sixty-three years old, he sailed as soon as possible in H.M.S. Rainbow, but found peace restored and the danger to his missions over. He therefore came back, after remaining only five days at his labours in New South Wales, to the superintendence of the translation of several chapters of Holy Scripture, and to the instruction of the young Maories at the sort of college he had tried from the first to keep up at Paramatta, but which he was forced to abandon, since the delicate lungs of the Maories could not endure the parching dryness of the Australian climate.
By the time he went again to New Zealand, in 1830, Hunghi had been killed in battle, and the nation was fast dwindling between war and a disease resembling the influenza. It was estimated that in twenty years the numbers had diminished by one-half, and in the meantime English settlers were entering on the lands so numerously that it was evident that before long the islands would be annexed to the British crown. Mr. Marsden had hoped at first that this brave and intelligent people might have been Christianized and civilized, so as to stand alone, but finding that their deadly feuds and internecine savagery rendered this impossible, he thought it best to prepare them to come willingly under a curb that he trusted would be no more than beneficial.
He found the missionaries much alarmed, for a horrible battle had just been fought, caused by the misconduct and insulting behaviour of the crew of an English ship. One tribe had taken their part, another had risen to revenge the affront, and a great mutual slaughter had taken place; victory had remained with the avengers, and though the offending crew had sailed away, it was apprehended that all the English might suffer in their stead. There was not an hour to be lost. Mr. Marsden and Mr. Williams crossed the bay and entered the camp of the English allies, where they were affectionately greeted, and allowed to carry proposals of peace to the victorious party, but there they met with a less friendly reception, being told that they were answerable for the lives of those who had fallen in the battle, since it had been occasioned by the misconduct of their countrymen. When Mr. Marsden promised to write to England to prevent the return of the offenders, the savages desired he would do no such thing, since they only desired vengeance. However, they agreed to hold a meeting with the hostile tribe, and endeavour to come to terms. Early the next morning thirty-six canoes arrived opposite to the mission station, some containing forty men; and notice was given that if the commissioners appointed on either side did not come to terms, the white men would be the sacrifice.
The day was spent in conferences, but at night the chief of the hostile tribe clove a stick in two, in token that his anger was broken, and the two parties joined in a hideous war-dance, frequently firing their muskets; but peace was ratified, and Mr. Marsden found that real progress had been made among the natives around the stations. Many had become true and sincere Christians, among them the widow and daughters of Hunghi. A Maori Christian woman was married by Mr. Marsden to an Englishman. She made all the responses in good English, and appeared in decent English clothes of her own sewing. He also married a young man, free, and of good family, to a girl who had been a slave taken in war, who was redeemed from her master for five blankets, an axe, and an iron pot. A number of natives lived round the missions, attending the services, and working with a good deal of industry and intelligence, and an increasingly large proportion of these were openly baptized Christians.
A seventh visit was paid by Mr. Marsden in 1837, when seventy-two years of age. On his return an officer in the ship observed: "I think, sir, you may look on this as your last visit to New Zealand." "No," he answered, "I intend to be off again in about six weeks; the people in the colony are becoming too fine for me now. I am too old to preach before them, but I can talk to the New Zealanders." He adhered to his purpose, and his daughter, Martha, who had been with him on his last voyage, accompanied him again in this. There had been some quarrels with the crews of ships, but the natives always separated Mr. Marsden from the misdeeds of his people, and the old chiefs were delighted to see him. "Stay with us and learn our language," one of them said: "become our father and our friend, and we will build you a house." "No," replied another, "we cannot build a house good enough, but we will hire Europeans to do it for us."
Wherever he went, he was hailed as the friend of the Maori, and he made a progress through all the mission stations, which were growing up numerously, and whence Christianity was fast spreading by the agency of the Maories themselves. A chief named Koromona, made captive in Hunghi's great war, who had become blind, had been converted by Mr. William Williams, and soon learnt the whole Liturgy, with many chapters of the Bible, and hymns, by heart, and was fit to be sent as a teacher among the other tribes. Sunday was generally observed, cannibalism and polygamy were retreating into the more remote and heathenish regions, and there was every token that the noble Apostle of New Zealand had verily conquered a country and people for the Church of God. Terrible wars among the tribes, provoking all the old ferocities, still were liable to arise, and the whaling crews, among whom might be found some of the most unscrupulous, licentious, and violent of mankind, continued to take advantage of there being no regular jurisdiction to commit outrages, which spread corruption or provoked retaliation, and for this there was no remedy but annexation to the British crown, which the influence of the mission was leading the natives themselves to desire, though this was not carried out till after Mr. Marsden's death.