en_tn/act/14/23.md

General Information:

Except for the third use of the word "they" which refers to the people that Paul and Barnabas had led to the Lord, all the words "they" here refer to Paul and Barnabas.

When they had appointed for them elders in every church

"When Paul and Barnabas had appointed leaders in each new group of believers"

they entrusted them

Possible meanings are 1) "Paul and Barnabas entrusted the elders they had appointed" or 2) "Paul and Barnabas entrusted the leaders and other believers"

in whom they had believed

Who "they" refers to depends on your choice for the meaning of "them" in the previous note (either elders or leaders and other believers).