With a large geographical area and a small population territory the competition over RV's was fierce and call poaching was common. The cong had three middle aged non- working, no-kid lady pioneers who felt all interest belonged to them by default because of their pioneer status. Plus the COBE's wife who thought the same thing.
If a householder told them another witness called they would interogate to find out gender, age, what they looked like, how often they called how long etc and then walk up to that piblisher at the next meeting and say something like
"You call on so and so?"
"Why, yes I have been calli....."
"Well you can stop because that's my call." Marches off to continue conversation with the groupies who have been watching the exchange from the other side of the hall.