དམ་པའ་ཆས་པད་མ་དཀར་པ་ཞས་བྱ་བ་ཐག་པ་ཆན་པའ་མད notes.125

The White Lotus of the Good Dharma notes.125

125. According to the Sanskrit nāyakāḥ, which is usually translated into Tibetan as ’dren pa, but here as skyobs pa (“refuge,” “protector”).