Shiva Purana
पूजायुक्तश्च मितभुग्बाह्येंद्रि यजयान्वितः । परद्रो हादिरहितस्तपोयोगीति कथ्यते २९ ।
A person who is engaged in worship, moderate in their consumption, with controlled external senses, and free from the harm of others, is called a Tapoyogi.
english translation
pUjAyuktazca mitabhugbAhyeMdri yajayAnvitaH । paradro hAdirahitastapoyogIti kathyate 29 ।
hk transliteration by Sanscript