Though one may mistrust them at heart, he should behave towards them as if he trusted them completely. Thinking of their nature, it seems that they have neither demerits nor merits.
विश्वस्तवदविश्वस्तस्तेषु वर्तेत सर्वदा। न हि दोषा गुणो वेति निरूप्यस्तेषु दृश्यते॥