Jiro Kitamura is suing the United Church of Christ in Japan over his 2010 dismissal as a pastor for giving communion to unbaptized worshipers.
Kitamura, who was ordered to stop the practice in 2007, says he was "discarded without discussion."
The church's moderator, Hideo Ishibashi, said Kitamura must repent and formally request permission to return to ministry.
Kitamura is suing for $130,000 and reinstatement as a pastor.
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