Yeah, I would NOT feel comfortable with my D spending time with OP, especially when your D doesn't feel comfortable with him and you don't even know him.
I know this probably puts more stress on your W, but your D comes first here. Your W put herself in this situation.
SueS
ME: 42, H: 42, D6 Together: 18 yrs. Married: 15 yrs. Attended Retrouvaille - December 2009 Status: Working on it day by day