hindu is a person who regards themselves culturally, ethnically, or religiously to the laws of hinduism. are you familiar?
Somewhat I've done extensive studies in theology but did not concentrate much on  hinduism
well it has also been used as a geographical, cultural, and religious identifier for people indigenous to south asia.  the word hindu has evolved over time
It's hard for me to get behind. The beliefs are very different then my own. How many followers do they have? 
im not sure but 14-18th century indian poets used the phrase hindu dharma which is hinduism and contrasted it with turaka dharma, which is islam.
Wow, that's interesting. I'd love to learn more.
geographic, ethnic or cultural identifier for people living in the Indian subcontinent around or beyond the Sindhu (Indus) river. By the 16th century, the term began to refer to residents of the subcontinent who were not Turkic or Muslims.
The historical development of Hindu self-identity within the local South Asian population, in a religious or cultural sense, is unclear. Competing theories state that Hindu identity developed in the British colonial era, or that it may have developed post-8th century CE after the Islamic invasion and medieval Hindu
Hindus
Hindus () are persons who regard themselves as culturally, ethnically, or religiously adhering to aspects of Hinduism. Historically, the term has also been used as a geographical, cultural, and later religious identifier for people living in the "Hind" (Indian subcontinent). 
The historical meaning of the term "Hindu" has evolved with time. Starting with the Persian and Greek references to the land of the Indus in the 1st millennium BCE through the texts of the medieval era, the term Hindu implied a