In Buddhism, Yogi is the term normally used to refer to male or female practitioners who are maintaining their Silas (precepts) or those who are practicing Vipassanā meditation.
In Buddhism, those just keeping 8 precept ( Silas) and fasting after 12 noon still called Yogis, regardless of whether practicing meditation or not. In most cases people who teach Buddhas sutras or just wearing Yogi clothes still will be called Yogi, as long as they maintain the Silas.
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