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Rhere is a major confusion in me regarding Sikhism in general, because some people refer to it as an ideology so to speak and many refer to it as a religion. Now as far as i understand there is a thin line of difference between ideology and religion. so plz if some body cud clarify two point for me

a) is Sikhism an ideology or a religion. b) if it is an ideology then people who are non sikhs and yet come under the realm of this ideology be called sikhs, even though they are not one..