What makes a person a Hindu? The best way to answer that is to look at how Hindus define themselves. Specific practises, beliefs and scriptures do not define a Hindu, as Hindus do not all agree on these things.
Hindus do unanimously agree, however, that a person is a Hindu if they are born a Hindu. Fulfilling one’s duty is of upmost importance to a Hindu. Each individual’s dhurma, or responsibility, is unique.
In this video Dr Brian N. explores what it means to be a Hindu.