It's believed more Gloriavale leavers will join a bid for compensation after a lifetime of lost opportunities.

Nine leavers found to be employees, not volunteers, in landmark Employment Court cases are jointly seeking $5.2 million.

It's for lost wages, entitlement breaches, penalties and compensation.

Gloriavale Leavers Support Trust general manager Liz Gregory says she's met with other leavers who want to get on board.

"I wouldn't be surprised if there were 50 or 60 people that might actually also file with the Employment Relations Authority." 

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