Does Bi-cultural = Multicultural?

[Senusret I]

So I was having a lively debate with another Greek this week about Afro-Latino organizations such as:

Originally Posted by Little Dragon

2. Afro-Latino Fraternities and Sororities
-Alpha Beta Sigma Sorority, Inc., 1998-02-06, State University of New York - Buffalo
-Beta Kappa Psi Black and Latino Fraternity, Inc., 1992-10-14, New Jersey Institute of Technology
-Beta Sigma Kappa Afro-Latino Fraternity, Inc., 1998-03-16, State University of New York - Buffalo
-MALIK Fraternity, Inc. (Former Malik Sigma Psi Fraternity, Inc.), 1977-05-13, Long Island University
-Malika Kambe Umfazi Sorority, Inc., 1995-06-16, State University of New York - Buffalo
-Sigma Phi Rho Fraternity, Inc., 1979-11-13, Wagner College
-Xi Theta Psi Afro-Latino Fraternity, Inc., ????, Syracuse University

Should these organizations count as multicultural? They literally promote more than one culture in their missions, programming and their membership. But they don't promote all cultures.