Glenn Langrish, now Stephens, started his sustained and prolonged abuse of Stephen Lewsey after giving him a job at the lawn mower shop in Crawley.
He befriended Mr Lewsey, then aged ten, over a shortwave radio in 1983.
Eventually the pair arranged to meet and the youngster began working regular weekends at ReeEven Hire with Langrish.
Over the next several years, Langrish sexually assaulted Mr Lewsey every time he worked at the shop and when he was giving him a lift home.
James Oliveira-Agnew, prosecuting, told Hove Crown Court that Langrish drove near to Gatwick Airport on one occasion and abused Mr Lewsey. He also assaulted him at his home.
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Mr Oliveira-Agnew said Langrish “abused his position of trust” and “ingratiated” himself on Mr Lewsey’s family and…