caste IS a problem. Meaning of caste in dictionary: # Any of the hereditary, endogamous social classes or subclasses of traditional Hindu society, stratified according to Hindu ritual purity, especially the Brahman, Kshatriya, Vaisya, and Sudra castes. # A social class separated from others by distinctions of hereditary rank, profession, or wealth. # 1. A social system or the principle of grading society based on castes. 2. The social position or status conferred by a system based on castes: lose caste by doing work beneath one's station. where are 'last name' is not..