Upvote:3
Mark 6:7 (NWT)
Now he summoned the twelve, and he initiated sending them out two by two, and he began to give them authority over the unclean spirits.Luke 10:1 (NWT)
After these things the Lord designated seventy others and sent them forth by twos in advance of him into every city and place to which he himself was going to come.
Jesus did this
so we would have someone to work with, and
for consideration for the householder, so a large group of people don't show up at their door among other reasons.