(CNN) — Win Tin, a first member of Myanmar’s National League for Democracy who was jailed for 19 years for domestic activism, has died during Yangon Hospital. He was 85.

A National League for Democracy (NLD) orator told CNN Win Tin was certified to Yangon Hospital 3 weeks ago with a kidney problem.

One of Myanmar’s many distinguished dissidents, Win Tin was a publisher and author who assimilated with Aung San Suu Kyi during her debate in 1988, according to Nyan Win, a stream orator for a NLD.

He was arrested in 1989 by Myanmar’s troops rulers, who feared a strength of a pro-democracy movement.

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“Immediately after his arrest, U Win Tin was kept though food and nap for 3 days,” Suu Kyi wrote about his imprisonment. “It seemed that a interrogators wished to force him to acknowledge he was my confidant on domestic tactics, in other words, that he was my puppet master.”

“A male of bravery and integrity, U Win Tin would not be intimidated into creation fake confessions,” she added.

Win Tin continued to pull for democracy even while in prison, penning a minute to a United Nations that resulted in additional jail time.

Despite his pivotal purpose as a domestic leader, Win Tin’s personal life was mostly solitary.

After he was expelled in 2008, he told CNN that he was a “vagabond” with no family or children since he had given his life to a quarrel for democracy in Myanmar.

While he struck an confident note about a swell that had been finished in his nation after his release, he remarkable there was still a “tremendous volume of work to be done.”

“He was a good post of strength,” pronounced Nyan Win. “His passing during this critical domestic connection of transition is a good detriment not usually to a NLD though also to a country. We are deeply saddened.”