Family, friends and co-workers flooded social media with tributes to “one of the kindest”.
A fundraising page set up to help his family said he was a “wonderful, gentle giant”.
He was “a man who would do anything to help anyone and who worked hard every day”, his fiance’s sister said.
She described the father-of-one and grandfather as a “one-in-a-million” partner who had been the family’s “pillar of strength”.
Police said the victim had “not been formally identified” but the coroner had been informed of the death.
The shopping centre remained closed on Sunday and Thames Valley Police said a “scenewatch” was in place.
“We are working closely with Centre:MK to resolve this at the earliest opportunity,” the force added.
