Pure devotees. From Narada Bhakti Sutra

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NBS 67: Among the Lord's devotees, the greatest are those who are dedicated

to Him solely as His intimate servants.

NBS 68: Conversing among one another with throats choked, hair standing on

end, and tears flowing, the Lord's intimate servants purify their own

followers and the whole world.

NBS 69: Their association makes holy places holy, works auspicious, and the

scriptures authoritative.

NBS 70: The intimate servants of the Supreme Lord are fully absorbed in

loving Him.

NBS 71: Thus the pure devotees' forefathers become joyful, the demigods

dance, and the world feels protected by good masters.

NBS 72: There are no distinctions among such pure devotees in terms of

social class, education, bodily beauty, family status, wealth, occupation,

and so on.

NBS 73: Pure devotees are not distinguished by externals like social class,

for they belong to the Lord.