na sa bhrtyah sa vai vanik
na-not; anyatha-otherwise; te-of You; akhila-guro-O supreme instructor of the entire creation; ghateta-such a thing can happen; karuna-atmanah-the Supreme Person, who is extremely kind to His devotees; yah-any person who; te-from You; asisah-material benefits; asaste-desires (in exchange for serving You); na-not; sah-such a person; bhrtyah-a servitor; sah-such a person; vai-indeed; vanik-a merchant (who wants to get material profit from his business).