Joining Two Different Fraternities

[SouthernGent77]

There's a young man I know who is already in a nationally recognized fraternity. He rushed his first semester as a freshman and is now an active member. However, before joining this fraternity, he was interested in joining a "Divine 9" fraternity (for those of you who don't know: predominately black fraternities and sororities). He's come to me in confidence, wanting to know whether I thought it would be alright for him to pursue or at least look into joining a Divine 9 fraternity. He also said that a few of his friends and other peers had told him that there was nothing wrong with joining two fraternities, but this is why I'm here.

What are your thoughts on any given man joining or even pursuing more than one fraternity?

Note: the Divine 9 fraternities are not even associated with the "Greek life" on his campus.

Thanks to all in advance.