I think this name is refreshing. It has a certain mysterious sense about it that makes me like it so much. I would absolutely name my son, Roldan. The name seems to fit well with all ages and I see the traits for this name as being humble, strong, courageous and determined. A cute nickname for Roldan could be Roldy. I like that. =P
http://www.ige.eu/igebdt/esq.jsp?idioma=gl&ruta=onomast/nomes.jsp