Is he sinning if he keeps one of his wives with him and sends the other back to his homeland?

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Ruling on plural marriage and conditions thereof
He is away from his country and his wife and he wants to take a second wife

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Related Answers:
If his wife does not agree to him being away for more than six months
His country forbids plural marriage and he wants to marry a second wife with the permission of her brother but not her father
If a man is absent on the night of one of his wives with or without an excuse, he has to come back and make up that night
Ruling on plural marriage and conditions thereof
He is away from his country and his wife and he wants to take a second wife

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