Tribulations
A pure devotee of the Lord accepts tribulation as favours from the Lord. Since the Lord is absoulte, there is no mundane difference between the two. (Between tribulation and favours). — Srimad Bhagavatam, 01.09.17.
Pure Devotees
The big fish, shark, they do not to come into the river. They constantly remain in the ocean. Similarly, those who are pure devotee always remain in the ocean of transcendental loving service to the Lord.
Symptom of A Pure Devotee
This is the symptom of a pure devotee. One should serve the spiritual master first. It is not that one should bypass the spiritual master and desire to serve the Supreme Lord. This is not the principle for a Vaishnava.
Eligibility For Going Back To Godhead
To travel in another country, you need visa permission, similarly to go back to Godhead you need permission & mercy from his pure devotee.
Vaishnavas are Sinless
Only a pure devotee, whom we deem to be a vaishnava, can be considered sinless.
Pure Devotees
Pure devotees, who take transcendental pleasure in hearing and chanting the glories of the Lord, do not care for any kind of liberation; even if they are offered the five liberations, they refuse to accept them