3 John 1:8

We therefore ought to receive such - Those who are persecuted for righteousness' sake, and have professed the truth at the hazard of their lives, and the loss of all their worldly substance. Instead of απολαμβανειν , to receive, the most ancient and reputable MSS. have ὑπολαμβανειν , to take up, undertake for, or kindly receive.

Fellow helpers to the truth - And thus encourage the persecuted, and contribute to the spread and maintenance of the Gospel.