A judge has described a violent north Canberra home invasion as "a form of self-help" while sparing two members of a vigilante group time behind bars.
Justice David Mossop sentenced Jordan Connor Knight on Thursday to an intensive correction order for 11 months and seven days.
The ACT Supreme Court judge also handed the 23-year-old an $800 fine and a 12-month good behaviour order with 50 hours of community service attached.
Moments earlier, he had ordered one of Knight's co-offenders, Tianna Lee Robb, to perform 200 hours of community work and behave herself for two years.
Knight and Robb were among five people who stormed their victim's Spence home in the early hours of July 10 last year.
Justice Mossop called the "obviously serious" venture "a form of self-help by persons who considered that they had been wronged by the victim".
What the victim had allegedly done cannot be detailed for legal reasons.
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Knight, who pleaded guilty to aggravated burglary and assault occasioning actual bodily harm, admitted holding the man down on a bed before punching him in the ribs and the back of the head.
Robb, who was dealt with only for aggravated burglary, invaded the house but did not join in the violence.
The court heard earlier this week that the 22-year-old had in fact apologised to the victim's mother and pregnant sister midway through the incident.
Three of the pair's fellow vigilantes have already been sentenced over the episode.
Dylan Crick, 23, was last month given an intensive correction order by Justice Michael Elkaim, who said vigilantism could be "as criminal as the conduct it seems to address".
Crick's girlfriend, 21-year-old Letitia Humphries, received a 12-month suspended jail sentence in April for her role in the incident.
The first of the group to be dealt with, 26-year-old getaway driver Morgan Facer, was last year handed a two-year good behaviour order.
The last of the bandits, Marco Marzotto, who smashed a decorative plate over the victim's head, is due to face a sentence hearing on Friday morning.
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