ISB ~ 3 John 1 v7

for his sake:Literally, “for the name”. Traveling preachers invite others to believe in the name of Jesus Christ (Jn 1:12). See note on 1 Jn 3:23.

from the heathen:Pagans are not solicited to support the Church’s ministers and missionaries, who are entitled to support from the community of believers. See note on Lk 10:7.