After nearly a decade in immigration detention, Khalil dipped his toes in the ocean in celebration of his newfound freedom.

More than 140 people have been released into the community since the high court ruled indefinite detention was unlawful.

The stateless man in his mid-30s, who is from the Middle East but whose identity is not being disclosed, says life on the outside is extremely fast and chaotic as he adjusts to new surroundings.

“Looking at the sea, the trees, the clouds, going out for a walk, having dinner at a restaurant makes me feel human again,” Khalil said. “I feel like my soul has come back to me because immigration detention was a cemetery and I was living in my grave.”

But rhetoric from Labor and Liberal politicians, which human rights groups and experts have called dangerous and punitive, has left him unsettled.

“They have put everyone in the same basket whether you’re a murderer or rapist or someone with minor charges.”

Khalil’s criminal history includes disorderly behaviour and traffic offences.

With the charges in effect cancelling his humanitarian visa, he was jailed for several years then transferred to various immigration detention centres including Melbourne, Perth and Christmas Island.

He showed video footage taken by other inmates of security guards putting him in a headlock and throwing him to the ground as an example of his ill-treatment.

He also recounted losing several friends to self-harm and suicide from the mental toll of being locked up without any hope of their cases being resolved.

“I’ve spent years in incarceration, five of them just waiting to be deported … and now it’s embarrassing to be wearing an ankle monitor under my pants the whole time.”

The high court’s decision prompted the federal government to release detainees. It allocated $255m toward enforcing strict visa conditions that were rushed through parliament, requiring all newly released immigration detainees to wear an ankle bracelet 24 hours a day and to be in their homes between 10pm and 6am daily.

The detachable charger operating the monitor needs to be charged for about 90 minutes twice a day.

The home affairs minister, Clare O’Neil, has vowed to quickly finalise “the toughest possible preventative detention regime” before parliament rose this year.

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Like fellow released detainees, Khalil is on a bridging R (removal pending) visa, meaning he can be redetained and deported at any point if a safe country accepts him.

Visa conditions also include notifying home affairs if he changes his social media profiles or usernames within two working days.

“So if I want to cough, I have to ask them to please let me cough,” he said.

“I feel my hands are tied and I’m being controlled. They have released us but are not trusting us to be able to continue our lives and to be in the community.”

Two high court challenges have been launched opposing the restrictive conditions: one by an Afghan Hazara refugee and the other on behalf of a Chinese refugee known as S151. Both men are seeking a court declaration that the curfew and electronic tracking bracelet included in their bridging visa conditions amount to punishment.

Legal experts and refugee advocates maintain the government’s actions constitute executive over-reach.

This is because they penalise non-citizens compared with Australian citizens who have served their jail sentences being released into the community, without any restrictions in most cases.

“I still feel criticised and discriminated against,” Khalil said. “They have released me but they still have their hands on my throat because they don’t believe I have been rehabilitated and that I’ve learned from my mistakes.”

In Australia, the crisis support service Lifeline is 13 11 14. Other international helplines can be found at befrienders.org